421308944125 has 32 divisors (see below), whose sum is σ = 550478073600. Its totient is φ = 321503828800.

The previous prime is 421308944123. The next prime is 421308944137. The reversal of 421308944125 is 521449803124.

It is not a de Polignac number, because 421308944125 - 2¹ = 421308944123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421308944123) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 399265 + ... + 1001014.

It is an arithmetic number, because the mean of its divisors is an integer number (17202439800).

Almost surely, 2^421308944125 is an apocalyptic number.

It is an amenable number.

421308944125 is a deficient number, since it is larger than the sum of its proper divisors (129169129475).

421308944125 is a wasteful number, since it uses less digits than its factorization.

421308944125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400406 (or 1400396 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 421308944125 in words is "four hundred twenty-one billion, three hundred eight million, nine hundred forty-four thousand, one hundred twenty-five".