679432540395 has 64 divisors (see below), whose sum is σ = 1263039998976. Its totient is φ = 305450956800.

The previous prime is 679432540361. The next prime is 679432540399. The reversal of 679432540395 is 593045234976.

It is not a de Polignac number, because 679432540395 - 2¹⁶ = 679432474859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (679432540399) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4147687 + ... + 4308383.

It is an arithmetic number, because the mean of its divisors is an integer number (19734999984).

Almost surely, 2^679432540395 is an apocalyptic number.

679432540395 is a deficient number, since it is larger than the sum of its proper divisors (583607458581).

679432540395 is a wasteful number, since it uses less digits than its factorization.

679432540395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161380.

The product of its (nonzero) digits is 24494400, while the sum is 57.

The spelling of 679432540395 in words is "six hundred seventy-nine billion, four hundred thirty-two million, five hundred forty thousand, three hundred ninety-five".