679338549151 has 4 divisors (see below), whose sum is σ = 687523351032. Its totient is φ = 671153747272.

The previous prime is 679338549143. The next prime is 679338549181. The reversal of 679338549151 is 151945833976.

It is a happy number.

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 679338549151 - 2³ = 679338549143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 679338549151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679338549181) 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, 4092400816 + ... + 4092400981.

It is an arithmetic number, because the mean of its divisors is an integer number (171880837758).

Almost surely, 2^679338549151 is an apocalyptic number.

679338549151 is a deficient number, since it is larger than the sum of its proper divisors (8184801881).

679338549151 is an equidigital number, since it uses as much as digits as its factorization.

679338549151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184801880.

The product of its digits is 24494400, while the sum is 61.

The spelling of 679338549151 in words is "six hundred seventy-nine billion, three hundred thirty-eight million, five hundred forty-nine thousand, one hundred fifty-one".