421009719354 has 24 divisors (see below), whose sum is σ = 1042500257760. Its totient is φ = 120288491208.

The previous prime is 421009719343. The next prime is 421009719367. The reversal of 421009719354 is 453917900124.

421009719354 is a `hidden beast` number, since 421 + 0 + 0 + 97 + 1 + 93 + 54 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1670673364 + ... + 1670673615.

It is an arithmetic number, because the mean of its divisors is an integer number (43437510740).

Almost surely, 2^421009719354 is an apocalyptic number.

421009719354 is an abundant number, since it is smaller than the sum of its proper divisors (621490538406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421009719354 is a wasteful number, since it uses less digits than its factorization.

421009719354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341346994 (or 3341346991 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 421009719354 in words is "four hundred twenty-one billion, nine million, seven hundred nineteen thousand, three hundred fifty-four".