474897355631 has 4 divisors (see below), whose sum is σ = 474935749752. Its totient is φ = 474858961512.

The previous prime is 474897355547. The next prime is 474897355643. The reversal of 474897355631 is 136553798474.

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

It is a cyclic number.

It is not a de Polignac number, because 474897355631 - 2¹⁴ = 474897339247 is a prime.

It is a super-2 number, since 2×474897355631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474897355831) 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, 19178501 + ... + 19203246.

It is an arithmetic number, because the mean of its divisors is an integer number (118733937438).

Almost surely, 2^474897355631 is an apocalyptic number.

474897355631 is a deficient number, since it is larger than the sum of its proper divisors (38394121).

474897355631 is a wasteful number, since it uses less digits than its factorization.

474897355631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38394120.

The product of its digits is 76204800, while the sum is 62.

The spelling of 474897355631 in words is "four hundred seventy-four billion, eight hundred ninety-seven million, three hundred fifty-five thousand, six hundred thirty-one".