945993049 has 3 divisors (see below), whose sum is σ = 946023807. Its totient is φ = 945962292.

The previous prime is 945993011. The next prime is 945993053. The reversal of 945993049 is 940399549.

The square root of 945993049 is 30757.

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

945993049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 940399549 = 2683 ⋅350503.

It can be written as a sum of positive squares in only one way, i.e., 392238025 + 553755024 = 19805^2 + 23532^2 .

It is not a de Polignac number, because 945993049 - 2¹¹ = 945991001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 945992987 and 945993005.

It is not an unprimeable number, because it can be changed into a prime (945990049) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15379 + ... + 46135.

It is an arithmetic number, because the mean of its divisors is an integer number (315341269).

Almost surely, 2^945993049 is an apocalyptic number.

945993049 is the 30757-th square number.

945993049 is the 15379-th centered octagonal number.

It is an amenable number.

945993049 is a deficient number, since it is larger than the sum of its proper divisors (30758).

945993049 is an frugal number, since it uses more digits than its factorization.

945993049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61514 (or 30757 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 52.

The cubic root of 945993049 is about 981.6635112535.

The spelling of 945993049 in words is "nine hundred forty-five million, nine hundred ninety-three thousand, forty-nine".