3477620664673 has 4 divisors (see below), whose sum is σ = 3495096145600. Its totient is φ = 3460145183748.

The previous prime is 3477620664647. The next prime is 3477620664719. The reversal of 3477620664673 is 3764660267743.

3477620664673 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3477620664673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3477620634673) 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, 8737740165 + ... + 8737740562.

It is an arithmetic number, because the mean of its divisors is an integer number (873774036400).

Almost surely, 2^{3477620664673} is an apocalyptic number.

It is an amenable number.

3477620664673 is a deficient number, since it is larger than the sum of its proper divisors (17475480927).

3477620664673 is a wasteful number, since it uses less digits than its factorization.

3477620664673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17475480926.

The product of its (nonzero) digits is 128024064, while the sum is 61.

The spelling of 3477620664673 in words is "three trillion, four hundred seventy-seven billion, six hundred twenty million, six hundred sixty-four thousand, six hundred seventy-three".