129471937057 has 8 divisors (see below), whose sum is σ = 131428606976. Its totient is φ = 127515980592.

The previous prime is 129471937013. The next prime is 129471937079. The reversal of 129471937057 is 750739174921.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129471937057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129471936989 and 129471937007.

It is not an unprimeable number, because it can be changed into a prime (129471337057) 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, 193123 + ... + 544279.

It is an arithmetic number, because the mean of its divisors is an integer number (16428575872).

Almost surely, 2^129471937057 is an apocalyptic number.

It is an amenable number.

129471937057 is a deficient number, since it is larger than the sum of its proper divisors (1956669919).

129471937057 is an equidigital number, since it uses as much as digits as its factorization.

129471937057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356727.

The product of its (nonzero) digits is 3333960, while the sum is 55.

The spelling of 129471937057 in words is "one hundred twenty-nine billion, four hundred seventy-one million, nine hundred thirty-seven thousand, fifty-seven".