421714376566 has 16 divisors (see below), whose sum is σ = 747867860640. Its totient is φ = 174502500480.

The previous prime is 421714376563. The next prime is 421714376593. The reversal of 421714376566 is 665673417124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421714376563) 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, 519352275 + ... + 519353086.

It is an arithmetic number, because the mean of its divisors is an integer number (46741741290).

Almost surely, 2^421714376566 is an apocalyptic number.

421714376566 is a deficient number, since it is larger than the sum of its proper divisors (326153484074).

421714376566 is a wasteful number, since it uses less digits than its factorization.

421714376566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038705399.

The product of its digits is 5080320, while the sum is 52.

The spelling of 421714376566 in words is "four hundred twenty-one billion, seven hundred fourteen million, three hundred seventy-six thousand, five hundred sixty-six".