6479611593729 has 16 divisors (see below), whose sum is σ = 8792419104000. Its totient is φ = 4243854083216.

The previous prime is 6479611593671. The next prime is 6479611593781. The reversal of 6479611593729 is 9273951169746.

It is a happy number.

6479611593729 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6479611593729 - 2⁸ = 6479611593473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6479611593799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72644079 + ... + 72733220.

It is an arithmetic number, because the mean of its divisors is an integer number (549526194000).

Almost surely, 2^{6479611593729} is an apocalyptic number.

It is an amenable number.

6479611593729 is a deficient number, since it is larger than the sum of its proper divisors (2312807510271).

6479611593729 is a wasteful number, since it uses less digits than its factorization.

6479611593729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145377564.

The product of its digits is 154314720, while the sum is 69.

The spelling of 6479611593729 in words is "six trillion, four hundred seventy-nine billion, six hundred eleven million, five hundred ninety-three thousand, seven hundred twenty-nine".