421472683554 has 32 divisors (see below), whose sum is σ = 923173554240. Its totient is φ = 127485868992.

The previous prime is 421472683553. The next prime is 421472683559. The reversal of 421472683554 is 455386274124.

It is a junction number, because it is equal to n+sod(n) for n = 421472683497 and 421472683506.

It is not an unprimeable number, because it can be changed into a prime (421472683553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45787737 + ... + 45796940.

It is an arithmetic number, because the mean of its divisors is an integer number (28849173570).

Almost surely, 2^421472683554 is an apocalyptic number.

421472683554 is an abundant number, since it is smaller than the sum of its proper divisors (501700870686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421472683554 is a wasteful number, since it uses less digits than its factorization.

421472683554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91584754.

The product of its digits is 6451200, while the sum is 51.

The spelling of 421472683554 in words is "four hundred twenty-one billion, four hundred seventy-two million, six hundred eighty-three thousand, five hundred fifty-four".