479704324621 has 4 divisors (see below), whose sum is σ = 480843765244. Its totient is φ = 478564884000.

The previous prime is 479704324571. The next prime is 479704324637. The reversal of 479704324621 is 126423407974.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11998792521 + 467705532100 = 109539^2 + 683890^2 .

It is a cyclic number.

It is not a de Polignac number, because 479704324621 - 2⁷ = 479704324493 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 (479704324651) 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, 569719680 + ... + 569720521.

It is an arithmetic number, because the mean of its divisors is an integer number (120210941311).

Almost surely, 2^479704324621 is an apocalyptic number.

It is an amenable number.

479704324621 is a deficient number, since it is larger than the sum of its proper divisors (1139440623).

479704324621 is a wasteful number, since it uses less digits than its factorization.

479704324621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139440622.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 479704324621 in words is "four hundred seventy-nine billion, seven hundred four million, three hundred twenty-four thousand, six hundred twenty-one".