474149607657 has 32 divisors (see below), whose sum is σ = 725587922304. Its totient is φ = 272777356800.

The previous prime is 474149607653. The next prime is 474149607661. The reversal of 474149607657 is 756706941474.

It is an interprime number because it is at equal distance from previous prime (474149607653) and next prime (474149607661).

It is not a de Polignac number, because 474149607657 - 2² = 474149607653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 474149607657.

It is not an unprimeable number, because it can be changed into a prime (474149607653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4685658 + ... + 4785779.

It is an arithmetic number, because the mean of its divisors is an integer number (22674622572).

Almost surely, 2^474149607657 is an apocalyptic number.

It is an amenable number.

474149607657 is a deficient number, since it is larger than the sum of its proper divisors (251438314647).

474149607657 is a wasteful number, since it uses less digits than its factorization.

474149607657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471529.

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 474149607657 in words is "four hundred seventy-four billion, one hundred forty-nine million, six hundred seven thousand, six hundred fifty-seven".