444324421413 has 6 divisors (see below), whose sum is σ = 641801942054. Its totient is φ = 296216280936.

The previous prime is 444324421403. The next prime is 444324421469. The reversal of 444324421413 is 314124423444.

444324421413 is a `hidden beast` number, since 4 + 4 + 432 + 4 + 4 + 214 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 443959687809 + 364733604 = 666303^2 + 19098^2 .

It is not a de Polignac number, because 444324421413 - 2¹⁴ = 444324405029 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 (444324421403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24684690070 + ... + 24684690087.

Almost surely, 2^444324421413 is an apocalyptic number.

It is an amenable number.

444324421413 is a deficient number, since it is larger than the sum of its proper divisors (197477520641).

444324421413 is a wasteful number, since it uses less digits than its factorization.

444324421413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49369380163 (or 49369380160 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

Adding to 444324421413 its reverse (314124423444), we get a palindrome (758448844857).

The spelling of 444324421413 in words is "four hundred forty-four billion, three hundred twenty-four million, four hundred twenty-one thousand, four hundred thirteen".