444303040631 has 2 divisors, whose sum is σ = 444303040632. Its totient is φ = 444303040630.

The previous prime is 444303040613. The next prime is 444303040637. The reversal of 444303040631 is 136040303444.

Together with previous prime (444303040613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444303040631 is a prime.

It is a super-2 number, since 2×444303040631² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444303040637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222151520315 + 222151520316.

It is an arithmetic number, because the mean of its divisors is an integer number (222151520316).

Almost surely, 2^444303040631 is an apocalyptic number.

444303040631 is a deficient number, since it is larger than the sum of its proper divisors (1).

444303040631 is an equidigital number, since it uses as much as digits as its factorization.

444303040631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 32.

The spelling of 444303040631 in words is "four hundred forty-four billion, three hundred three million, forty thousand, six hundred thirty-one".