2917712985 has 32 divisors (see below), whose sum is σ = 5168765952. Its totient is φ = 1393529280.

The previous prime is 2917712933. The next prime is 2917713011. The reversal of 2917712985 is 5892177192.

2917712985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2917712985 - 2⁸ = 2917712729 is a prime.

It is a super-2 number, since 2×2917712985² = 17026098125675220450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120909 + ... + 143018.

It is an arithmetic number, because the mean of its divisors is an integer number (161523936).

Almost surely, 2^2917712985 is an apocalyptic number.

It is an amenable number.

2917712985 is a deficient number, since it is larger than the sum of its proper divisors (2251052967).

2917712985 is a wasteful number, since it uses less digits than its factorization.

2917712985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264013.

The product of its digits is 635040, while the sum is 51.

The square root of 2917712985 is about 54015.8586435502. The cubic root of 2917712985 is about 1428.9406444985.

The spelling of 2917712985 in words is "two billion, nine hundred seventeen million, seven hundred twelve thousand, nine hundred eighty-five".