472486457760021 has 48 divisors (see below), whose sum is σ = 749794081645440. Its totient is φ = 285377570565120.

The previous prime is 472486457760013. The next prime is 472486457760041. The reversal of 472486457760021 is 120067754684274.

It is a happy number.

472486457760021 is a `hidden beast` number, since 4 + 7 + 2 + 486 + 4 + 5 + 77 + 60 + 0 + 21 = 666.

It is not a de Polignac number, because 472486457760021 - 2³ = 472486457760013 is a prime.

It is a super-2 number, since 2×472486457760021² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472486457760011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5844345 + ... + 31291041.

It is an arithmetic number, because the mean of its divisors is an integer number (15620710034280).

Almost surely, 2^{472486457760021} is an apocalyptic number.

It is an amenable number.

472486457760021 is a deficient number, since it is larger than the sum of its proper divisors (277307623885419).

472486457760021 is a wasteful number, since it uses less digits than its factorization.

472486457760021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25451466 (or 25451463 counting only the distinct ones).

The product of its (nonzero) digits is 126443520, while the sum is 63.

The spelling of 472486457760021 in words is "four hundred seventy-two trillion, four hundred eighty-six billion, four hundred fifty-seven million, seven hundred sixty thousand, twenty-one".