421932105694 has 16 divisors (see below), whose sum is σ = 700158784896. Its totient is φ = 189086090200.

The previous prime is 421932105667. The next prime is 421932105713. The reversal of 421932105694 is 496501239124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135059932 + ... + 135063055.

It is an arithmetic number, because the mean of its divisors is an integer number (43759924056).

Almost surely, 2^421932105694 is an apocalyptic number.

421932105694 is a deficient number, since it is larger than the sum of its proper divisors (278226679202).

421932105694 is a wasteful number, since it uses less digits than its factorization.

421932105694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270123071.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 421932105694 in words is "four hundred twenty-one billion, nine hundred thirty-two million, one hundred five thousand, six hundred ninety-four".