654179628647 has 8 divisors (see below), whose sum is σ = 662476069440. Its totient is φ = 645883580160.

The previous prime is 654179628643. The next prime is 654179628667. The reversal of 654179628647 is 746826971456.

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

It is a cyclic number.

It is not a de Polignac number, because 654179628647 - 2² = 654179628643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654179628643) 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, 4796063 + ... + 4930575.

It is an arithmetic number, because the mean of its divisors is an integer number (82809508680).

Almost surely, 2^654179628647 is an apocalyptic number.

654179628647 is a deficient number, since it is larger than the sum of its proper divisors (8296440793).

654179628647 is a wasteful number, since it uses less digits than its factorization.

654179628647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196153.

The product of its digits is 121927680, while the sum is 65.

The spelling of 654179628647 in words is "six hundred fifty-four billion, one hundred seventy-nine million, six hundred twenty-eight thousand, six hundred forty-seven".