9495242991 has 96 divisors (see below), whose sum is σ = 15595227648. Its totient is φ = 5527388160.

The previous prime is 9495242923. The next prime is 9495243029. The reversal of 9495242991 is 1992425949.

9495242991 is a `hidden beast` number, since 9 + 4 + 9 + 524 + 29 + 91 = 666.

It is not a de Polignac number, because 9495242991 - 2⁷ = 9495242863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9495242921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 48199105 + ... + 48199301.

It is an arithmetic number, because the mean of its divisors is an integer number (162450288).

Almost surely, 2^9495242991 is an apocalyptic number.

9495242991 is a deficient number, since it is larger than the sum of its proper divisors (6099984657).

9495242991 is a wasteful number, since it uses less digits than its factorization.

9495242991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 478 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 9495242991 is about 97443.5374511825. The cubic root of 9495242991 is about 2117.5582269500.

The spelling of 9495242991 in words is "nine billion, four hundred ninety-five million, two hundred forty-two thousand, nine hundred ninety-one".