444725730013 has 2 divisors, whose sum is σ = 444725730014. Its totient is φ = 444725730012.

The previous prime is 444725729999. The next prime is 444725730019. The reversal of 444725730013 is 310037527444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438526057369 + 6199672644 = 662213^2 + 78738^2 .

It is a cyclic number.

It is not a de Polignac number, because 444725730013 - 2²⁵ = 444692175581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444725730019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222362865006 + 222362865007.

It is an arithmetic number, because the mean of its divisors is an integer number (222362865007).

Almost surely, 2^444725730013 is an apocalyptic number.

It is an amenable number.

444725730013 is a deficient number, since it is larger than the sum of its proper divisors (1).

444725730013 is an equidigital number, since it uses as much as digits as its factorization.

444725730013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 444725730013 in words is "four hundred forty-four billion, seven hundred twenty-five million, seven hundred thirty thousand, thirteen".