129791294743 has 4 divisors (see below), whose sum is σ = 141590503368. Its totient is φ = 117992086120.

The previous prime is 129791294719. The next prime is 129791294749. The reversal of 129791294743 is 347492197921.

It is a happy number.

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 129791294743 - 2¹³ = 129791286551 is a prime.

It is a super-3 number, since 3×129791294743³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129791294749) 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, 5899604296 + ... + 5899604317.

It is an arithmetic number, because the mean of its divisors is an integer number (35397625842).

Almost surely, 2^129791294743 is an apocalyptic number.

129791294743 is a deficient number, since it is larger than the sum of its proper divisors (11799208625).

129791294743 is a wasteful number, since it uses less digits than its factorization.

129791294743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11799208624.

The product of its digits is 6858432, while the sum is 58.

The spelling of 129791294743 in words is "one hundred twenty-nine billion, seven hundred ninety-one million, two hundred ninety-four thousand, seven hundred forty-three".