421124154105013 has 4 divisors (see below), whose sum is σ = 421690943007648. Its totient is φ = 420557365202380.

The previous prime is 421124154104993. The next prime is 421124154105139. The reversal of 421124154105013 is 310501451421124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421124154105013 - 2³³ = 421115564170421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421124154105013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421124154105313) 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, 283394450203 + ... + 283394451688.

It is an arithmetic number, because the mean of its divisors is an integer number (105422735751912).

Almost surely, 2^{421124154105013} is an apocalyptic number.

It is an amenable number.

421124154105013 is a deficient number, since it is larger than the sum of its proper divisors (566788902635).

421124154105013 is an equidigital number, since it uses as much as digits as its factorization.

421124154105013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566788902634.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 421124154105013 in words is "four hundred twenty-one trillion, one hundred twenty-four billion, one hundred fifty-four million, one hundred five thousand, thirteen".