58939191557 has 2 divisors, whose sum is σ = 58939191558. Its totient is φ = 58939191556.

The previous prime is 58939191541. The next prime is 58939191559. The reversal of 58939191557 is 75519193985.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39616523521 + 19322668036 = 199039^2 + 139006^2 .

It is a cyclic number.

It is not a de Polignac number, because 58939191557 - 2⁴ = 58939191541 is a prime.

Together with 58939191559, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 58939191557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58939191559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29469595778 + 29469595779.

It is an arithmetic number, because the mean of its divisors is an integer number (29469595779).

Almost surely, 2^58939191557 is an apocalyptic number.

It is an amenable number.

58939191557 is a deficient number, since it is larger than the sum of its proper divisors (1).

58939191557 is an equidigital number, since it uses as much as digits as its factorization.

58939191557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15309000, while the sum is 62.

The spelling of 58939191557 in words is "fifty-eight billion, nine hundred thirty-nine million, one hundred ninety-one thousand, five hundred fifty-seven".