6379279136 has 12 divisors (see below), whose sum is σ = 12559205862. Its totient is φ = 3189639552.

The previous prime is 6379279133. The next prime is 6379279139. The reversal of 6379279136 is 6319729736.

It is an interprime number because it is at equal distance from previous prime (6379279133) and next prime (6379279139).

It can be written as a sum of positive squares in only one way, i.e., 5219195536 + 1160083600 = 72244^2 + 34060^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6379279133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99676205 + ... + 99676268.

Almost surely, 2^6379279136 is an apocalyptic number.

It is an amenable number.

6379279136 is a deficient number, since it is larger than the sum of its proper divisors (6179926726).

6379279136 is a wasteful number, since it uses less digits than its factorization.

6379279136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199352483 (or 199352475 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 53.

The square root of 6379279136 is about 79870.3896071629. The cubic root of 6379279136 is about 1854.6296643994.

The spelling of 6379279136 in words is "six billion, three hundred seventy-nine million, two hundred seventy-nine thousand, one hundred thirty-six".