5679127621 has 2 divisors, whose sum is σ = 5679127622. Its totient is φ = 5679127620.

The previous prime is 5679127561. The next prime is 5679127631. The reversal of 5679127621 is 1267219765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5597134596 + 81993025 = 74814^2 + 9055^2 .

It is a cyclic number.

It is not a de Polignac number, because 5679127621 - 2¹³ = 5679119429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5679127631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2839563810 + 2839563811.

It is an arithmetic number, because the mean of its divisors is an integer number (2839563811).

Almost surely, 2^5679127621 is an apocalyptic number.

It is an amenable number.

5679127621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5679127621 is an equidigital number, since it uses as much as digits as its factorization.

5679127621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 46.

The square root of 5679127621 is about 75359.9868696910. The cubic root of 5679127621 is about 1784.1329311560.

The spelling of 5679127621 in words is "five billion, six hundred seventy-nine million, one hundred twenty-seven thousand, six hundred twenty-one".