421425686524124 has 6 divisors (see below), whose sum is σ = 737494951417224. Its totient is φ = 210712843262060.

The previous prime is 421425686524013. The next prime is 421425686524211.

421425686524124 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 421425686524124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52678210815512 + ... + 52678210815519.

It is an arithmetic number, because the mean of its divisors is an integer number (122915825236204).

Almost surely, 2^{421425686524124} is an apocalyptic number.

It is an amenable number.

421425686524124 is a deficient number, since it is larger than the sum of its proper divisors (316069264893100).

421425686524124 is a wasteful number, since it uses less digits than its factorization.

421425686524124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105356421631035 (or 105356421631033 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 56.

The spelling of 421425686524124 in words is "four hundred twenty-one trillion, four hundred twenty-five billion, six hundred eighty-six million, five hundred twenty-four thousand, one hundred twenty-four".