2137691250 has 200 divisors, whose sum is σ = 6137272944. Its totient is φ = 555660000.

The previous prime is 2137691249. The next prime is 2137691263. The reversal of 2137691250 is 521967312.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 4353505 + ... + 4353995.

Almost surely, 2^2137691250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2137691250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3068636472).

2137691250 is an abundant number, since it is smaller than the sum of its proper divisors (3999581694).

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

2137691250 is an equidigital number, since it uses as much as digits as its factorization.

2137691250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 2137691250 is about 46235.1732991237. The cubic root of 2137691250 is about 1288.1951504164.

The spelling of 2137691250 in words is "two billion, one hundred thirty-seven million, six hundred ninety-one thousand, two hundred fifty".