79461702129 has 4 divisors (see below), whose sum is σ = 105948936176. Its totient is φ = 52974468084.

The previous prime is 79461702083. The next prime is 79461702139. The reversal of 79461702129 is 92120716497.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 79461702129 - 2²¹ = 79459604977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79461702139) 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, 13243617019 + ... + 13243617024.

It is an arithmetic number, because the mean of its divisors is an integer number (26487234044).

Almost surely, 2^79461702129 is an apocalyptic number.

It is an amenable number.

79461702129 is a deficient number, since it is larger than the sum of its proper divisors (26487234047).

79461702129 is a wasteful number, since it uses less digits than its factorization.

79461702129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26487234046.

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 79461702129 in words is "seventy-nine billion, four hundred sixty-one million, seven hundred two thousand, one hundred twenty-nine".