421758468836 has 24 divisors (see below), whose sum is σ = 770338826880. Its totient is φ = 201665737152.

The previous prime is 421758468829. The next prime is 421758468839. The reversal of 421758468836 is 638864857124.

It is not an unprimeable number, because it can be changed into a prime (421758468839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91481 + ... + 922976.

It is an arithmetic number, because the mean of its divisors is an integer number (32097451120).

Almost surely, 2^421758468836 is an apocalyptic number.

421758468836 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

421758468836 is a deficient number, since it is larger than the sum of its proper divisors (348580358044).

421758468836 is a wasteful number, since it uses less digits than its factorization.

421758468836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019003 (or 1019001 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 62.

The spelling of 421758468836 in words is "four hundred twenty-one billion, seven hundred fifty-eight million, four hundred sixty-eight thousand, eight hundred thirty-six".