421864941486 has 16 divisors (see below), whose sum is σ = 843747512400. Its totient is φ = 140618708928.

The previous prime is 421864941451. The next prime is 421864941503. The reversal of 421864941486 is 684149468124.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412621 + ... + 1006968.

It is an arithmetic number, because the mean of its divisors is an integer number (52734219525).

Almost surely, 2^421864941486 is an apocalyptic number.

421864941486 is an abundant number, since it is smaller than the sum of its proper divisors (421882570914).

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

421864941486 is a wasteful number, since it uses less digits than its factorization.

421864941486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469123.

The product of its digits is 10616832, while the sum is 57.

The spelling of 421864941486 in words is "four hundred twenty-one billion, eight hundred sixty-four million, nine hundred forty-one thousand, four hundred eighty-six".