2500509317168 has 20 divisors (see below), whose sum is σ = 4845351938640. Its totient is φ = 1250095913664.

The previous prime is 2500509317149. The next prime is 2500509317179. The reversal of 2500509317168 is 8617139050052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9791555 + ... + 10043682.

It is an arithmetic number, because the mean of its divisors is an integer number (242267596932).

Almost surely, 2^{2500509317168} is an apocalyptic number.

It is an amenable number.

2500509317168 is a deficient number, since it is larger than the sum of its proper divisors (2344842621472).

2500509317168 is a wasteful number, since it uses less digits than its factorization.

2500509317168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19843124 (or 19843118 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 2500509317168 in words is "two trillion, five hundred billion, five hundred nine million, three hundred seventeen thousand, one hundred sixty-eight".