58426431691 has 4 divisors (see below), whose sum is σ = 61863280632. Its totient is φ = 54989582752.

The previous prime is 58426431683. The next prime is 58426431709. The reversal of 58426431691 is 19613462485.

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 58426431691 - 2³ = 58426431683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58426431601) 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, 1718424445 + ... + 1718424478.

It is an arithmetic number, because the mean of its divisors is an integer number (15465820158).

Almost surely, 2^58426431691 is an apocalyptic number.

58426431691 is a deficient number, since it is larger than the sum of its proper divisors (3436848941).

58426431691 is a wasteful number, since it uses less digits than its factorization.

58426431691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436848940.

The product of its digits is 1244160, while the sum is 49.

The spelling of 58426431691 in words is "fifty-eight billion, four hundred twenty-six million, four hundred thirty-one thousand, six hundred ninety-one".