679362129 has 6 divisors (see below), whose sum is σ = 981300866. Its totient is φ = 452908080.

The previous prime is 679362127. The next prime is 679362133. The reversal of 679362129 is 921263976.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 617771025 + 61591104 = 24855^2 + 7848^2 .

It is not a de Polignac number, because 679362129 - 2¹ = 679362127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679362121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37742332 + ... + 37742349.

Almost surely, 2^679362129 is an apocalyptic number.

It is an amenable number.

679362129 is a deficient number, since it is larger than the sum of its proper divisors (301938737).

679362129 is a wasteful number, since it uses less digits than its factorization.

679362129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75484687 (or 75484684 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 679362129 is about 26064.5761331352. The cubic root of 679362129 is about 879.0908866328.

The spelling of 679362129 in words is "six hundred seventy-nine million, three hundred sixty-two thousand, one hundred twenty-nine".