2687139410 has 16 divisors (see below), whose sum is σ = 5091422400. Its totient is φ = 1018284336.

The previous prime is 2687139409. The next prime is 2687139421. The reversal of 2687139410 is 149317862.

It is a Curzon 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, 7071230 + ... + 7071609.

It is an arithmetic number, because the mean of its divisors is an integer number (318213900).

Almost surely, 2^2687139410 is an apocalyptic number.

2687139410 is a deficient number, since it is larger than the sum of its proper divisors (2404282990).

2687139410 is a wasteful number, since it uses less digits than its factorization.

2687139410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14142865.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 2687139410 is about 51837.6254278685. The cubic root of 2687139410 is about 1390.2622575045.

The spelling of 2687139410 in words is "two billion, six hundred eighty-seven million, one hundred thirty-nine thousand, four hundred ten".