58139336641 has 9 divisors (see below), whose sum is σ = 59602090089. Its totient is φ = 56711659200.

The previous prime is 58139336617. The next prime is 58139336693. The reversal of 58139336641 is 14663393185.

The square root of 58139336641 is 241121.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2273287041 + 55866049600 = 47679^2 + 236360^2 .

It is not a de Polignac number, because 58139336641 - 2²³ = 58130948033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58139336611) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9883021 + ... + 9888901.

Almost surely, 2^58139336641 is an apocalyptic number.

58139336641 is the 241121-st square number.

58139336641 is the 120561-st centered octagonal number.

It is an amenable number.

58139336641 is a deficient number, since it is larger than the sum of its proper divisors (1462753448).

58139336641 is an frugal number, since it uses more digits than its factorization.

58139336641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11844 (or 5922 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

Multiplying 58139336641 by its sum of digits (49), we get a square (2848827495409 = 1687847²).

The spelling of 58139336641 in words is "fifty-eight billion, one hundred thirty-nine million, three hundred thirty-six thousand, six hundred forty-one".