2137663877 has 4 divisors (see below), whose sum is σ = 2169569376. Its totient is φ = 2105758380.

The previous prime is 2137663841. The next prime is 2137663883. The reversal of 2137663877 is 7783667312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2137663877 is a prime.

It is a super-2 number, since 2×2137663877² = 9139213702061342258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137663897) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15952649 + ... + 15952782.

It is an arithmetic number, because the mean of its divisors is an integer number (542392344).

Almost surely, 2^2137663877 is an apocalyptic number.

It is an amenable number.

2137663877 is a deficient number, since it is larger than the sum of its proper divisors (31905499).

2137663877 is an equidigital number, since it uses as much as digits as its factorization.

2137663877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31905498.

The product of its digits is 1778112, while the sum is 50.

The square root of 2137663877 is about 46234.8772789547. The cubic root of 2137663877 is about 1288.1896519741.

The spelling of 2137663877 in words is "two billion, one hundred thirty-seven million, six hundred sixty-three thousand, eight hundred seventy-seven".