9956057949 has 16 divisors (see below), whose sum is σ = 14752482240. Its totient is φ = 6636126960.

The previous prime is 9956057927. The next prime is 9956057957. The reversal of 9956057949 is 9497506599.

9956057949 is a `hidden beast` number, since 9 + 9 + 56 + 0 + 579 + 4 + 9 = 666.

It is not a de Polignac number, because 9956057949 - 2⁸ = 9956057693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9956057959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125494 + ... + 188840.

It is an arithmetic number, because the mean of its divisors is an integer number (922030140).

Almost surely, 2^9956057949 is an apocalyptic number.

It is an amenable number.

9956057949 is a deficient number, since it is larger than the sum of its proper divisors (4796424291).

9956057949 is a wasteful number, since it uses less digits than its factorization.

9956057949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69177 (or 69171 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 63.

The square root of 9956057949 is about 99780.0478502591. The cubic root of 9956057949 is about 2151.2743805182.

The spelling of 9956057949 in words is "nine billion, nine hundred fifty-six million, fifty-seven thousand, nine hundred forty-nine".