58491106421 has 4 divisors (see below), whose sum is σ = 63808479744. Its totient is φ = 53173733100.

The previous prime is 58491106351. The next prime is 58491106451. The reversal of 58491106421 is 12460119485.

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.

It is a cyclic number.

It is not a de Polignac number, because 58491106421 - 2³⁴ = 41311237237 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 (58491106451) 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, 2658686645 + ... + 2658686666.

It is an arithmetic number, because the mean of its divisors is an integer number (15952119936).

Almost surely, 2^58491106421 is an apocalyptic number.

It is an amenable number.

58491106421 is a deficient number, since it is larger than the sum of its proper divisors (5317373323).

58491106421 is a wasteful number, since it uses less digits than its factorization.

58491106421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317373322.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 58491106421 in words is "fifty-eight billion, four hundred ninety-one million, one hundred six thousand, four hundred twenty-one".