79125344149 has 8 divisors (see below), whose sum is σ = 79923130200. Its totient is φ = 78327840000.

The previous prime is 79125344107. The next prime is 79125344173. The reversal of 79125344149 is 94144352197.

It can be written as a sum of positive squares in 4 ways, for example, as 34574799249 + 44550544900 = 185943^2 + 211070^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79125344149 - 2⁷ = 79125344021 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 (79125344189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518377 + ... + 653425.

It is an arithmetic number, because the mean of its divisors is an integer number (9990391275).

Almost surely, 2^79125344149 is an apocalyptic number.

It is an amenable number.

79125344149 is a deficient number, since it is larger than the sum of its proper divisors (797786051).

79125344149 is a wasteful number, since it uses less digits than its factorization.

79125344149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140951.

The product of its digits is 1088640, while the sum is 49.

The spelling of 79125344149 in words is "seventy-nine billion, one hundred twenty-five million, three hundred forty-four thousand, one hundred forty-nine".