2137491286 has 16 divisors (see below), whose sum is σ = 3742235136. Its totient is φ = 896576616.

The previous prime is 2137491233. The next prime is 2137491299. The reversal of 2137491286 is 6821947312.

It is a congruent 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, 1623576 + ... + 1624891.

It is an arithmetic number, because the mean of its divisors is an integer number (233889696).

Almost surely, 2^2137491286 is an apocalyptic number.

2137491286 is a deficient number, since it is larger than the sum of its proper divisors (1604743850).

2137491286 is a wasteful number, since it uses less digits than its factorization.

2137491286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248523.

The product of its digits is 145152, while the sum is 43.

The square root of 2137491286 is about 46233.0107823404. The cubic root of 2137491286 is about 1288.1549823632.

The spelling of 2137491286 in words is "two billion, one hundred thirty-seven million, four hundred ninety-one thousand, two hundred eighty-six".