474656295221 has 4 divisors (see below), whose sum is σ = 495293525472. Its totient is φ = 454019064972.

The previous prime is 474656295143. The next prime is 474656295247. The reversal of 474656295221 is 122592656474.

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 not a de Polignac number, because 474656295221 - 2¹⁰ = 474656294197 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 (474656295271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10318615091 + ... + 10318615136.

It is an arithmetic number, because the mean of its divisors is an integer number (123823381368).

Almost surely, 2^474656295221 is an apocalyptic number.

It is an amenable number.

474656295221 is a deficient number, since it is larger than the sum of its proper divisors (20637230251).

474656295221 is a wasteful number, since it uses less digits than its factorization.

474656295221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20637230250.

The product of its digits is 7257600, while the sum is 53.

The spelling of 474656295221 in words is "four hundred seventy-four billion, six hundred fifty-six million, two hundred ninety-five thousand, two hundred twenty-one".