9901269975 has 12 divisors (see below), whose sum is σ = 16370099816. Its totient is φ = 5280677280.

The previous prime is 9901269971. The next prime is 9901270039. The reversal of 9901269975 is 5799621099.

It is not a de Polignac number, because 9901269975 - 2² = 9901269971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9901269971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66008392 + ... + 66008541.

Almost surely, 2^9901269975 is an apocalyptic number.

9901269975 is a deficient number, since it is larger than the sum of its proper divisors (6468829841).

9901269975 is a wasteful number, since it uses less digits than its factorization.

9901269975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132016946 (or 132016941 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 57.

The square root of 9901269975 is about 99505.1253705054. The cubic root of 9901269975 is about 2147.3209808293.

The spelling of 9901269975 in words is "nine billion, nine hundred one million, two hundred sixty-nine thousand, nine hundred seventy-five".