5605599679 has 2 divisors, whose sum is σ = 5605599680. Its totient is φ = 5605599678.

The previous prime is 5605599677. The next prime is 5605599683. The reversal of 5605599679 is 9769955065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5605599679 - 2¹ = 5605599677 is a prime.

It is a super-2 number, since 2×5605599679² = 62845495522409806082, which contains 22 as substring.

Together with 5605599677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5605599673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802799839 + 2802799840.

It is an arithmetic number, because the mean of its divisors is an integer number (2802799840).

Almost surely, 2^5605599679 is an apocalyptic number.

5605599679 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605599679 is an equidigital number, since it uses as much as digits as its factorization.

5605599679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22963500, while the sum is 61.

The square root of 5605599679 is about 74870.5528161773. The cubic root of 5605599679 is about 1776.3997083759.

It can be divided in two parts, 5605 and 599679, that added together give a square (605284 = 778²).

The spelling of 5605599679 in words is "five billion, six hundred five million, five hundred ninety-nine thousand, six hundred seventy-nine".