61739837269113 has 32 divisors (see below), whose sum is σ = 90756032947200. Its totient is φ = 37159553065536.

The previous prime is 61739837269111. The next prime is 61739837269139. The reversal of 61739837269113 is 31196273893716.

It is not a de Polignac number, because 61739837269113 - 2¹ = 61739837269111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61739837269111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87182095 + ... + 87887412.

It is an arithmetic number, because the mean of its divisors is an integer number (2836126029600).

Almost surely, 2^{61739837269113} is an apocalyptic number.

It is an amenable number.

61739837269113 is a deficient number, since it is larger than the sum of its proper divisors (29016195678087).

61739837269113 is a wasteful number, since it uses less digits than its factorization.

61739837269113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175069821.

The product of its digits is 61725888, while the sum is 66.

The spelling of 61739837269113 in words is "sixty-one trillion, seven hundred thirty-nine billion, eight hundred thirty-seven million, two hundred sixty-nine thousand, one hundred thirteen".