2687139295 has 4 divisors (see below), whose sum is σ = 3224567160. Its totient is φ = 2149711432.

The previous prime is 2687139283. The next prime is 2687139311. The reversal of 2687139295 is 5929317862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2687139295 - 2⁵ = 2687139263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268713925 + ... + 268713934.

It is an arithmetic number, because the mean of its divisors is an integer number (806141790).

Almost surely, 2^2687139295 is an apocalyptic number.

2687139295 is a deficient number, since it is larger than the sum of its proper divisors (537427865).

2687139295 is an equidigital number, since it uses as much as digits as its factorization.

2687139295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537427864.

The product of its digits is 1632960, while the sum is 52.

The square root of 2687139295 is about 51837.6243186356. The cubic root of 2687139295 is about 1390.2622376718.

It can be divided in two parts, 26871 and 39295, that added together give a palindrome (66166).

The spelling of 2687139295 in words is "two billion, six hundred eighty-seven million, one hundred thirty-nine thousand, two hundred ninety-five".