474329728657 has 8 divisors (see below), whose sum is σ = 479831509800. Its totient is φ = 468831775104.

The previous prime is 474329728637. The next prime is 474329728667. The reversal of 474329728657 is 756827923474.

It is a Cunningham number, because it is equal to 688716²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 474329728656 = 1^2 + 688716^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 474329728657 - 2³⁵ = 439969990289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474329728637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707238 + ... + 1203679.

It is an arithmetic number, because the mean of its divisors is an integer number (59978938725).

Almost surely, 2^474329728657 is an apocalyptic number.

It is an amenable number.

474329728657 is a deficient number, since it is larger than the sum of its proper divisors (5501781143).

474329728657 is a wasteful number, since it uses less digits than its factorization.

474329728657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913795.

The product of its digits is 142248960, while the sum is 64.

The spelling of 474329728657 in words is "four hundred seventy-four billion, three hundred twenty-nine million, seven hundred twenty-eight thousand, six hundred fifty-seven".