444641374472731 has 2 divisors, whose sum is σ = 444641374472732. Its totient is φ = 444641374472730.

The previous prime is 444641374472699. The next prime is 444641374472759. The reversal of 444641374472731 is 137274473146444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444641374472731 - 2⁵ = 444641374472699 is a prime.

It is a super-2 number, since 2×444641374472731² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444641374472731.

It is not a weakly prime, because it can be changed into another prime (444641374472791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222320687236365 + 222320687236366.

It is an arithmetic number, because the mean of its divisors is an integer number (222320687236366).

Almost surely, 2^{444641374472731} is an apocalyptic number.

444641374472731 is a deficient number, since it is larger than the sum of its proper divisors (1).

444641374472731 is an equidigital number, since it uses as much as digits as its factorization.

444641374472731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151732224, while the sum is 61.

The spelling of 444641374472731 in words is "four hundred forty-four trillion, six hundred forty-one billion, three hundred seventy-four million, four hundred seventy-two thousand, seven hundred thirty-one".