5917679421 has 4 divisors (see below), whose sum is σ = 7890239232. Its totient is φ = 3945119612.

The previous prime is 5917679399. The next prime is 5917679441. The reversal of 5917679421 is 1249767195.

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 5917679421 - 2⁹ = 5917678909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5917679441) 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, 986279901 + ... + 986279906.

It is an arithmetic number, because the mean of its divisors is an integer number (1972559808).

Almost surely, 2^5917679421 is an apocalyptic number.

It is an amenable number.

5917679421 is a deficient number, since it is larger than the sum of its proper divisors (1972559811).

5917679421 is a wasteful number, since it uses less digits than its factorization.

5917679421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972559810.

The product of its digits is 952560, while the sum is 51.

The square root of 5917679421 is about 76926.4546238809. The cubic root of 5917679421 is about 1808.7719375340.

The spelling of 5917679421 in words is "five billion, nine hundred seventeen million, six hundred seventy-nine thousand, four hundred twenty-one".