2497697616 has 40 divisors (see below), whose sum is σ = 6674885280. Its totient is φ = 803856256.

The previous prime is 2497697603. The next prime is 2497697633. The reversal of 2497697616 is 6167967942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895770 + ... + 898553.

It is an arithmetic number, because the mean of its divisors is an integer number (166872132).

Almost surely, 2^2497697616 is an apocalyptic number.

It is an amenable number.

2497697616 is an abundant number, since it is smaller than the sum of its proper divisors (4177187664).

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

2497697616 is a wasteful number, since it uses less digits than its factorization.

2497697616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794363 (or 1794357 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 57.

The square root of 2497697616 is about 49976.9708565855. The cubic root of 2497697616 is about 1356.7920382166.

The spelling of 2497697616 in words is "two billion, four hundred ninety-seven million, six hundred ninety-seven thousand, six hundred sixteen".