421311724427 has 16 divisors (see below), whose sum is σ = 460667088000. Its totient is φ = 382132531200.

The previous prime is 421311724411. The next prime is 421311724429. The reversal of 421311724427 is 724427113124.

It is a cyclic number.

It is not a de Polignac number, because 421311724427 - 2⁴ = 421311724411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421311724429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23500427 + ... + 23518347.

It is an arithmetic number, because the mean of its divisors is an integer number (28791693000).

Almost surely, 2^421311724427 is an apocalyptic number.

421311724427 is a deficient number, since it is larger than the sum of its proper divisors (39355363573).

421311724427 is a wasteful number, since it uses less digits than its factorization.

421311724427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22714.

The product of its digits is 75264, while the sum is 38.

The spelling of 421311724427 in words is "four hundred twenty-one billion, three hundred eleven million, seven hundred twenty-four thousand, four hundred twenty-seven".