2137488646 has 8 divisors (see below), whose sum is σ = 3210258240. Its totient is φ = 1067402568.

The previous prime is 2137488623. The next prime is 2137488679. The reversal of 2137488646 is 6468847312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2137488646.

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, 668886 + ... + 672073.

It is an arithmetic number, because the mean of its divisors is an integer number (401282280).

Almost surely, 2^2137488646 is an apocalyptic number.

2137488646 is a deficient number, since it is larger than the sum of its proper divisors (1072769594).

2137488646 is a wasteful number, since it uses less digits than its factorization.

2137488646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341758.

The product of its digits is 1548288, while the sum is 49.

The square root of 2137488646 is about 46232.9822313032. The cubic root of 2137488646 is about 1288.1544520327.

The spelling of 2137488646 in words is "two billion, one hundred thirty-seven million, four hundred eighty-eight thousand, six hundred forty-six".