421876405670 has 16 divisors (see below), whose sum is σ = 761189894640. Its totient is φ = 168347814624.

The previous prime is 421876405649. The next prime is 421876405739. The reversal of 421876405670 is 76504678124.

It is a super-2 number, since 2×421876405670² (a number of 24 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 50339057 + ... + 50347436.

It is an arithmetic number, because the mean of its divisors is an integer number (47574368415).

Almost surely, 2^421876405670 is an apocalyptic number.

421876405670 is a deficient number, since it is larger than the sum of its proper divisors (339313488970).

421876405670 is a wasteful number, since it uses less digits than its factorization.

421876405670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100686919.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 421876405670 in words is "four hundred twenty-one billion, eight hundred seventy-six million, four hundred five thousand, six hundred seventy".