421546444645124 has 12 divisors (see below), whose sum is σ = 740927702925900. Its totient is φ = 209852815237728.

The previous prime is 421546444645069. The next prime is 421546444645133.

421546444645124 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 406061511337024 + 15484933308100 = 20150968^2 + 3935090^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 421546444645124.

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, 230101770179 + ... + 230101772010.

It is an arithmetic number, because the mean of its divisors is an integer number (61743975243825).

Almost surely, 2^{421546444645124} is an apocalyptic number.

It is an amenable number.

421546444645124 is a deficient number, since it is larger than the sum of its proper divisors (319381258280776).

421546444645124 is a wasteful number, since it uses less digits than its factorization.

421546444645124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460203542422 (or 460203542420 counting only the distinct ones).

The product of its digits is 58982400, while the sum is 56.

The spelling of 421546444645124 in words is "four hundred twenty-one trillion, five hundred forty-six billion, four hundred forty-four million, six hundred forty-five thousand, one hundred twenty-four".