475620444721 has 8 divisors (see below), whose sum is σ = 490971325184. Its totient is φ = 460270082160.

The previous prime is 475620444683. The next prime is 475620444727. The reversal of 475620444721 is 127444026574.

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 475620444721 - 2²⁷ = 475486226993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475620444727) 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, 2762650 + ... + 2929756.

It is an arithmetic number, because the mean of its divisors is an integer number (61371415648).

Almost surely, 2^475620444721 is an apocalyptic number.

It is an amenable number.

475620444721 is a deficient number, since it is larger than the sum of its proper divisors (15350880463).

475620444721 is a wasteful number, since it uses less digits than its factorization.

475620444721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258951.

The product of its (nonzero) digits is 1505280, while the sum is 46.

The spelling of 475620444721 in words is "four hundred seventy-five billion, six hundred twenty million, four hundred forty-four thousand, seven hundred twenty-one".