679913433 has 10 divisors (see below), whose sum is σ = 1015673274. Its totient is φ = 453275568.

The previous prime is 679913431. The next prime is 679913441. The reversal of 679913433 is 334319976.

It is a happy number.

679913433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 580472649 + 99440784 = 24093^2 + 9972^2 .

It is not a de Polignac number, because 679913433 - 2¹ = 679913431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (679913431) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4196916 + ... + 4197077.

Almost surely, 2^679913433 is an apocalyptic number.

It is an amenable number.

679913433 is a deficient number, since it is larger than the sum of its proper divisors (335759841).

679913433 is an equidigital number, since it uses as much as digits as its factorization.

679913433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8394005 (or 8393996 counting only the distinct ones).

The product of its digits is 367416, while the sum is 45.

The square root of 679913433 is about 26075.1497215260. The cubic root of 679913433 is about 879.3286171270.

The spelling of 679913433 in words is "six hundred seventy-nine million, nine hundred thirteen thousand, four hundred thirty-three".