421354363453124 has 12 divisors (see below), whose sum is σ = 744670830459948. Its totient is φ = 208591269036000.

The previous prime is 421354363453123. The next prime is 421354363453187.

421354363453124 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 210093429160000 + 211260934293124 = 14494600^2 + 14534818^2 .

It is not an unprimeable number, because it can be changed into a prime (421354363453123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521478172187 + ... + 521478172994.

It is an arithmetic number, because the mean of its divisors is an integer number (62055902538329).

Almost surely, 2^{421354363453124} is an apocalyptic number.

It is an amenable number.

421354363453124 is a deficient number, since it is larger than the sum of its proper divisors (323316467006824).

421354363453124 is a wasteful number, since it uses less digits than its factorization.

421354363453124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042956345286 (or 1042956345284 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 50.

The spelling of 421354363453124 in words is "four hundred twenty-one trillion, three hundred fifty-four billion, three hundred sixty-three million, four hundred fifty-three thousand, one hundred twenty-four".