679412157945 has 8 divisors (see below), whose sum is σ = 1087059452736. Its totient is φ = 362353150896.

The previous prime is 679412157859. The next prime is 679412157959. The reversal of 679412157945 is 549751214976.

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

It is not a de Polignac number, because 679412157945 - 2⁸ = 679412157689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22647071917 + ... + 22647071946.

It is an arithmetic number, because the mean of its divisors is an integer number (135882431592).

Almost surely, 2^679412157945 is an apocalyptic number.

It is an amenable number.

679412157945 is a deficient number, since it is larger than the sum of its proper divisors (407647294791).

679412157945 is a wasteful number, since it uses less digits than its factorization.

679412157945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45294143871.

The product of its digits is 19051200, while the sum is 60.

The spelling of 679412157945 in words is "six hundred seventy-nine billion, four hundred twelve million, one hundred fifty-seven thousand, nine hundred forty-five".