472457553774218 has 8 divisors (see below), whose sum is σ = 710078641725060. Its totient is φ = 235764673199200.

The previous prime is 472457553774139. The next prime is 472457553774247. The reversal of 472457553774218 is 812477355754274.

It can be written as a sum of positive squares in 2 ways, for example, as 471307904479129 + 1149649295089 = 21709627^2 + 1072217^2 .

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

It is a super-2 number, since 2×472457553774218² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232051842683 + ... + 232051844718.

Almost surely, 2^{472457553774218} is an apocalyptic number.

472457553774218 is a deficient number, since it is larger than the sum of its proper divisors (237621087950842).

472457553774218 is a wasteful number, since it uses less digits than its factorization.

472457553774218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464103687912.

The product of its digits is 1843968000, while the sum is 71.

The spelling of 472457553774218 in words is "four hundred seventy-two trillion, four hundred fifty-seven billion, five hundred fifty-three million, seven hundred seventy-four thousand, two hundred eighteen".