2137687460 has 24 divisors (see below), whose sum is σ = 4633956096. Its totient is φ = 827491680.

The previous prime is 2137687451. The next prime is 2137687501. The reversal of 2137687460 is 647867312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723322 + ... + 1724561.

It is an arithmetic number, because the mean of its divisors is an integer number (193081504).

Almost surely, 2^2137687460 is an apocalyptic number.

2137687460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2137687460 is an abundant number, since it is smaller than the sum of its proper divisors (2496268636).

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

2137687460 is a wasteful number, since it uses less digits than its factorization.

2137687460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447923 (or 3447921 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 2137687460 is about 46235.1323129933. The cubic root of 2137687460 is about 1288.1943891181.

The spelling of 2137687460 in words is "two billion, one hundred thirty-seven million, six hundred eighty-seven thousand, four hundred sixty".