2137892865 has 16 divisors (see below), whose sum is σ = 3463929600. Its totient is φ = 1125775872.

The previous prime is 2137892821. The next prime is 2137892879. The reversal of 2137892865 is 5682987312.

2137892865 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2137892865 - 2⁹ = 2137892353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900880 + ... + 903249.

It is an arithmetic number, because the mean of its divisors is an integer number (216495600).

Almost surely, 2^2137892865 is an apocalyptic number.

It is an amenable number.

2137892865 is a deficient number, since it is larger than the sum of its proper divisors (1326036735).

2137892865 is a wasteful number, since it uses less digits than its factorization.

2137892865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804216.

The product of its digits is 1451520, while the sum is 51.

The square root of 2137892865 is about 46237.3535683002. The cubic root of 2137892865 is about 1288.2356475806.

The spelling of 2137892865 in words is "two billion, one hundred thirty-seven million, eight hundred ninety-two thousand, eight hundred sixty-five".