9945245902608 has 60 divisors (see below), whose sum is σ = 27842849177728. Its totient is φ = 3313894057920.

The previous prime is 9945245902567. The next prime is 9945245902633. The reversal of 9945245902608 is 8062095425499.

9945245902608 is a `hidden beast` number, since 9 + 9 + 45 + 245 + 90 + 260 + 8 = 666.

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, 11970760 + ... + 12774567.

Almost surely, 2^{9945245902608} is an apocalyptic number.

It is an amenable number.

9945245902608 is an abundant number, since it is smaller than the sum of its proper divisors (17897603275120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9945245902608 is a wasteful number, since it uses less digits than its factorization.

9945245902608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24748132 (or 24748123 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 9945245902608 in words is "nine trillion, nine hundred forty-five billion, two hundred forty-five million, nine hundred two thousand, six hundred eight".