303566838961 has 3 divisors (see below), whose sum is σ = 303567389931. Its totient is φ = 303566287992.

The previous prime is 303566838941. The next prime is 303566838973. The reversal of 303566838961 is 169838665303.

The square root of 303566838961 is 550969.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 169838665303 = 827 ⋅205367189.

It can be written as a sum of positive squares in only one way, i.e., 28571478961 + 274995360000 = 169031^2 + 524400^2 .

It is not a de Polignac number, because 303566838961 - 2²³ = 303558450353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303566838896 and 303566838905.

It is not an unprimeable number, because it can be changed into a prime (303566838941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 275485 + ... + 826453.

It is an arithmetic number, because the mean of its divisors is an integer number (101189129977).

Almost surely, 2^303566838961 is an apocalyptic number.

303566838961 is the 550969-th square number.

303566838961 is the 275485-th centered octagonal number.

It is an amenable number.

303566838961 is a deficient number, since it is larger than the sum of its proper divisors (550970).

303566838961 is an frugal number, since it uses more digits than its factorization.

303566838961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101938 (or 550969 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 303566838961 in words is "three hundred three billion, five hundred sixty-six million, eight hundred thirty-eight thousand, nine hundred sixty-one".