474132797921 has 2 divisors, whose sum is σ = 474132797922. Its totient is φ = 474132797920.

The previous prime is 474132797917. The next prime is 474132797989. The reversal of 474132797921 is 129797231474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279396816400 + 194735981521 = 528580^2 + 441289^2 .

It is a cyclic number.

It is not a de Polignac number, because 474132797921 - 2² = 474132797917 is a prime.

It is not a weakly prime, because it can be changed into another prime (474132790921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237066398960 + 237066398961.

It is an arithmetic number, because the mean of its divisors is an integer number (237066398961).

Almost surely, 2^474132797921 is an apocalyptic number.

It is an amenable number.

474132797921 is a deficient number, since it is larger than the sum of its proper divisors (1).

474132797921 is an equidigital number, since it uses as much as digits as its factorization.

474132797921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 56.

The spelling of 474132797921 in words is "four hundred seventy-four billion, one hundred thirty-two million, seven hundred ninety-seven thousand, nine hundred twenty-one".