547963949 has 4 divisors (see below), whose sum is σ = 590115036. Its totient is φ = 505812864.

The previous prime is 547963931. The next prime is 547963963. The reversal of 547963949 is 949369745.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37429924 + 510534025 = 6118^2 + 22595^2 .

It is a cyclic number.

It is not a de Polignac number, because 547963949 - 2²⁰ = 546915373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 547963894 and 547963903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547963909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21075524 + ... + 21075549.

It is an arithmetic number, because the mean of its divisors is an integer number (147528759).

Almost surely, 2^547963949 is an apocalyptic number.

It is an amenable number.

547963949 is a deficient number, since it is larger than the sum of its proper divisors (42151087).

547963949 is a wasteful number, since it uses less digits than its factorization.

547963949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42151086.

The product of its digits is 7348320, while the sum is 56.

The square root of 547963949 is about 23408.6297975768. The cubic root of 547963949 is about 818.3090023456.

The spelling of 547963949 in words is "five hundred forty-seven million, nine hundred sixty-three thousand, nine hundred forty-nine".