421358810005 has 16 divisors (see below), whose sum is σ = 580261296384. Its totient is φ = 287732862720.

The previous prime is 421358809997. The next prime is 421358810011. The reversal of 421358810005 is 500018853124.

It is not a de Polignac number, because 421358810005 - 2³ = 421358809997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24968377 + ... + 24985246.

It is an arithmetic number, because the mean of its divisors is an integer number (36266331024).

Almost surely, 2^421358810005 is an apocalyptic number.

It is an amenable number.

421358810005 is a deficient number, since it is larger than the sum of its proper divisors (158902486379).

421358810005 is a wasteful number, since it uses less digits than its factorization.

421358810005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49953876.

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 421358810005 in words is "four hundred twenty-one billion, three hundred fifty-eight million, eight hundred ten thousand, five".