2897137816 has 32 divisors (see below), whose sum is σ = 5623506000. Its totient is φ = 1397608576.

The previous prime is 2897137813. The next prime is 2897137823. The reversal of 2897137816 is 6187317982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897137813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392835 + ... + 400141.

Almost surely, 2^2897137816 is an apocalyptic number.

It is an amenable number.

2897137816 is a deficient number, since it is larger than the sum of its proper divisors (2726368184).

2897137816 is a wasteful number, since it uses less digits than its factorization.

2897137816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9051 (or 9047 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 52.

The square root of 2897137816 is about 53825.0667997728. The cubic root of 2897137816 is about 1425.5738435324.

The spelling of 2897137816 in words is "two billion, eight hundred ninety-seven million, one hundred thirty-seven thousand, eight hundred sixteen".