444448844431 has 2 divisors, whose sum is σ = 444448844432. Its totient is φ = 444448844430.

The previous prime is 444448844429. The next prime is 444448844503. The reversal of 444448844431 is 134448844444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444448844431 - 2¹ = 444448844429 is a prime.

It is a super-2 number, since 2×444448844431² (a number of 24 digits) contains 22 as substring.

Together with 444448844429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444448844731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222224422215 + 222224422216.

It is an arithmetic number, because the mean of its divisors is an integer number (222224422216).

Almost surely, 2^444448844431 is an apocalyptic number.

444448844431 is a deficient number, since it is larger than the sum of its proper divisors (1).

444448844431 is an equidigital number, since it uses as much as digits as its factorization.

444448844431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12582912, while the sum is 52.

The spelling of 444448844431 in words is "four hundred forty-four billion, four hundred forty-eight million, eight hundred forty-four thousand, four hundred thirty-one".