472457551881657 has 8 divisors (see below), whose sum is σ = 666998896774176. Its totient is φ = 296443954121792.

The previous prime is 472457551881619. The next prime is 472457551881677. The reversal of 472457551881657 is 756188155754274.

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 472457551881657 - 2¹⁵ = 472457551848889 is a prime.

It is a super-2 number, since 2×472457551881657² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (472457551881617) 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, 4631936783103 + ... + 4631936783204.

It is an arithmetic number, because the mean of its divisors is an integer number (83374862096772).

Almost surely, 2^{472457551881657} is an apocalyptic number.

It is an amenable number.

472457551881657 is a deficient number, since it is larger than the sum of its proper divisors (194541344892519).

472457551881657 is a wasteful number, since it uses less digits than its factorization.

472457551881657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9263873566327.

The product of its digits is 2634240000, while the sum is 75.

The spelling of 472457551881657 in words is "four hundred seventy-two trillion, four hundred fifty-seven billion, five hundred fifty-one million, eight hundred eighty-one thousand, six hundred fifty-seven".