2137566490 has 16 divisors (see below), whose sum is σ = 3851413920. Its totient is φ = 854183440.

The previous prime is 2137566413. The next prime is 2137566491. The reversal of 2137566490 is 946657312.

It is not an unprimeable number, because it can be changed into a prime (2137566491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94696 + ... + 115075.

It is an arithmetic number, because the mean of its divisors is an integer number (240713370).

Almost surely, 2^2137566490 is an apocalyptic number.

2137566490 is a deficient number, since it is larger than the sum of its proper divisors (1713847430).

2137566490 is a wasteful number, since it uses less digits than its factorization.

2137566490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210797.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 2137566490 is about 46233.8240901615. The cubic root of 2137566490 is about 1288.1700893677.

The spelling of 2137566490 in words is "two billion, one hundred thirty-seven million, five hundred sixty-six thousand, four hundred ninety".