413993581922 has 6 divisors (see below), whose sum is σ = 620991737793. Its totient is φ = 206996335992.

The previous prime is 413993581871. The next prime is 413993581949. The reversal of 413993581922 is 229185399314.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 405604670641 + 8388911281 = 636871^2 + 91591^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=454969.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 682454 + ... + 1137422.

Almost surely, 2^413993581922 is an apocalyptic number.

413993581922 is a deficient number, since it is larger than the sum of its proper divisors (206998155871).

413993581922 is an frugal number, since it uses more digits than its factorization.

413993581922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909940 (or 454971 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 56.

The spelling of 413993581922 in words is "four hundred thirteen billion, nine hundred ninety-three million, five hundred eighty-one thousand, nine hundred twenty-two".