46442464421 has 4 divisors (see below), whose sum is σ = 46921252812. Its totient is φ = 45963676032.

The previous prime is 46442464357. The next prime is 46442464451. The reversal of 46442464421 is 12446424464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11872499521 + 34569964900 = 108961^2 + 185930^2 .

It is a cyclic number.

It is not a de Polignac number, because 46442464421 - 2⁶ = 46442464357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46442464451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239394050 + ... + 239394243.

It is an arithmetic number, because the mean of its divisors is an integer number (11730313203).

Almost surely, 2^46442464421 is an apocalyptic number.

It is an amenable number.

46442464421 is a deficient number, since it is larger than the sum of its proper divisors (478788391).

46442464421 is an equidigital number, since it uses as much as digits as its factorization.

46442464421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478788390.

The product of its digits is 589824, while the sum is 41.

Adding to 46442464421 its reverse (12446424464), we get a palindrome (58888888885).

The spelling of 46442464421 in words is "forty-six billion, four hundred forty-two million, four hundred sixty-four thousand, four hundred twenty-one".