9945624475 has 12 divisors (see below), whose sum is σ = 12337491600. Its totient is φ = 7953327200.

The previous prime is 9945624397. The next prime is 9945624503. The reversal of 9945624475 is 5744265499.

It is not a de Polignac number, because 9945624475 - 2²⁷ = 9811406747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14311 + ... + 141760.

It is an arithmetic number, because the mean of its divisors is an integer number (1028124300).

Almost surely, 2^9945624475 is an apocalyptic number.

9945624475 is a deficient number, since it is larger than the sum of its proper divisors (2391867125).

9945624475 is a wasteful number, since it uses less digits than its factorization.

9945624475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158630 (or 158625 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The square root of 9945624475 is about 99727.7517795323. The cubic root of 9945624475 is about 2150.5226402035.

The spelling of 9945624475 in words is "nine billion, nine hundred forty-five million, six hundred twenty-four thousand, four hundred seventy-five".