679518049701 has 8 divisors (see below), whose sum is σ = 953709543520. Its totient is φ = 429169294512.

The previous prime is 679518049673. The next prime is 679518049709. The reversal of 679518049701 is 107940815976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 679518049701 - 2⁵ = 679518049669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 11921369293 = 679518049701 / (6 + 7 + 9 + 5 + 1 + 8 + 0 + 4 + 9 + 7 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679518049709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5960684590 + ... + 5960684703.

It is an arithmetic number, because the mean of its divisors is an integer number (119213692940).

Almost surely, 2^679518049701 is an apocalyptic number.

It is an amenable number.

679518049701 is a deficient number, since it is larger than the sum of its proper divisors (274191493819).

679518049701 is a wasteful number, since it uses less digits than its factorization.

679518049701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11921369315.

The product of its (nonzero) digits is 3810240, while the sum is 57.

The spelling of 679518049701 in words is "six hundred seventy-nine billion, five hundred eighteen million, forty-nine thousand, seven hundred one".