679760363519 has 4 divisors (see below), whose sum is σ = 679767747120. Its totient is φ = 679752979920.

The previous prime is 679760363509. The next prime is 679760363533. The reversal of 679760363519 is 915363067976.

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 679760363519 - 2²⁰ = 679759314943 is a prime.

It is a super-2 number, since 2×679760363519² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679760363509) 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, 3551939 + ... + 3738420.

It is an arithmetic number, because the mean of its divisors is an integer number (169941936780).

Almost surely, 2^679760363519 is an apocalyptic number.

679760363519 is a deficient number, since it is larger than the sum of its proper divisors (7383601).

679760363519 is an equidigital number, since it uses as much as digits as its factorization.

679760363519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383600.

The product of its (nonzero) digits is 38578680, while the sum is 62.

The spelling of 679760363519 in words is "six hundred seventy-nine billion, seven hundred sixty million, three hundred sixty-three thousand, five hundred nineteen".