421108810407 has 24 divisors (see below), whose sum is σ = 622452758928. Its totient is φ = 274193337600.

The previous prime is 421108810387. The next prime is 421108810429. The reversal of 421108810407 is 704018801124.

It is not a de Polignac number, because 421108810407 - 2¹² = 421108806311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421108810607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10165557 + ... + 10206897.

It is an arithmetic number, because the mean of its divisors is an integer number (25935531622).

Almost surely, 2^421108810407 is an apocalyptic number.

421108810407 is a deficient number, since it is larger than the sum of its proper divisors (201343948521).

421108810407 is a wasteful number, since it uses less digits than its factorization.

421108810407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67711 (or 67708 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The spelling of 421108810407 in words is "four hundred twenty-one billion, one hundred eight million, eight hundred ten thousand, four hundred seven".