421384665486 has 16 divisors (see below), whose sum is σ = 848920933584. Its totient is φ = 139436288064.

The previous prime is 421384665463. The next prime is 421384665497. The reversal of 421384665486 is 684566483124.

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, 256315885 + ... + 256317528.

It is an arithmetic number, because the mean of its divisors is an integer number (53057558349).

Almost surely, 2^421384665486 is an apocalyptic number.

421384665486 is an abundant number, since it is smaller than the sum of its proper divisors (427536268098).

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

421384665486 is a wasteful number, since it uses less digits than its factorization.

421384665486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512633555.

The product of its digits is 26542080, while the sum is 57.

The spelling of 421384665486 in words is "four hundred twenty-one billion, three hundred eighty-four million, six hundred sixty-five thousand, four hundred eighty-six".