2137385520399 has 16 divisors (see below), whose sum is σ = 2927094485120. Its totient is φ = 1386306018720.

The previous prime is 2137385520373. The next prime is 2137385520407. The reversal of 2137385520399 is 9930255837312.

It is a Cunningham number, because it is equal to 1461980²-1.

It is not a de Polignac number, because 2137385520399 - 2⁵ = 2137385520367 is a prime.

It is a super-2 number, since 2×2137385520399² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137385510399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730992 + ... + 2192970.

It is an arithmetic number, because the mean of its divisors is an integer number (182943405320).

Almost surely, 2^{2137385520399} is an apocalyptic number.

2137385520399 is a deficient number, since it is larger than the sum of its proper divisors (789708964721).

2137385520399 is a wasteful number, since it uses less digits than its factorization.

2137385520399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475190.

The product of its (nonzero) digits is 12247200, while the sum is 57.

The spelling of 2137385520399 in words is "two trillion, one hundred thirty-seven billion, three hundred eighty-five million, five hundred twenty thousand, three hundred ninety-nine".