58138945637 has 4 divisors (see below), whose sum is σ = 58139554176. Its totient is φ = 58138337100.

The previous prime is 58138945603. The next prime is 58138945639. The reversal of 58138945637 is 73654983185.

It is a happy number.

58138945637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58138945637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58138945639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126239 + ... + 363612.

It is an arithmetic number, because the mean of its divisors is an integer number (14534888544).

Almost surely, 2^58138945637 is an apocalyptic number.

It is an amenable number.

58138945637 is a deficient number, since it is larger than the sum of its proper divisors (608539).

58138945637 is a wasteful number, since it uses less digits than its factorization.

58138945637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608538.

The product of its digits is 21772800, while the sum is 59.

The spelling of 58138945637 in words is "fifty-eight billion, one hundred thirty-eight million, nine hundred forty-five thousand, six hundred thirty-seven".