474794788821 has 4 divisors (see below), whose sum is σ = 633059718432. Its totient is φ = 316529859212.

The previous prime is 474794788763. The next prime is 474794788883. The reversal of 474794788821 is 128887497474.

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 474794788821 - 2¹⁷ = 474794657749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474794788891) 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, 79132464801 + ... + 79132464806.

It is an arithmetic number, because the mean of its divisors is an integer number (158264929608).

Almost surely, 2^474794788821 is an apocalyptic number.

It is an amenable number.

474794788821 is a deficient number, since it is larger than the sum of its proper divisors (158264929611).

474794788821 is a wasteful number, since it uses less digits than its factorization.

474794788821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158264929610.

The product of its digits is 202309632, while the sum is 69.

The spelling of 474794788821 in words is "four hundred seventy-four billion, seven hundred ninety-four million, seven hundred eighty-eight thousand, eight hundred twenty-one".