6172961279 has 4 divisors (see below), whose sum is σ = 6205280640. Its totient is φ = 6140641920.

The previous prime is 6172961233. The next prime is 6172961293. The reversal of 6172961279 is 9721692716.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6172961279 - 2³² = 1877993983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6172961299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16159394 + ... + 16159775.

It is an arithmetic number, because the mean of its divisors is an integer number (1551320160).

Almost surely, 2^6172961279 is an apocalyptic number.

6172961279 is a deficient number, since it is larger than the sum of its proper divisors (32319361).

6172961279 is a wasteful number, since it uses less digits than its factorization.

6172961279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32319360.

The product of its digits is 571536, while the sum is 50.

The square root of 6172961279 is about 78568.1950855434. The cubic root of 6172961279 is about 1834.4160896348.

The spelling of 6172961279 in words is "six billion, one hundred seventy-two million, nine hundred sixty-one thousand, two hundred seventy-nine".