58947491591 has 4 divisors (see below), whose sum is σ = 61510426032. Its totient is φ = 56384557152.

The previous prime is 58947491543. The next prime is 58947491609. The reversal of 58947491591 is 19519474985.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 58947491591 - 2¹⁴ = 58947475207 is a prime.

It is a super-2 number, since 2×58947491591² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58947491531) 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, 1281467186 + ... + 1281467231.

It is an arithmetic number, because the mean of its divisors is an integer number (15377606508).

Almost surely, 2^58947491591 is an apocalyptic number.

58947491591 is a deficient number, since it is larger than the sum of its proper divisors (2562934441).

58947491591 is a wasteful number, since it uses less digits than its factorization.

58947491591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562934440.

The product of its digits is 16329600, while the sum is 62.

The spelling of 58947491591 in words is "fifty-eight billion, nine hundred forty-seven million, four hundred ninety-one thousand, five hundred ninety-one".