44452785751013 has 2 divisors, whose sum is σ = 44452785751014. Its totient is φ = 44452785751012.

The previous prime is 44452785750883. The next prime is 44452785751027. The reversal of 44452785751013 is 31015758725444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42456196968964 + 1996588782049 = 6515842^2 + 1413007^2 .

It is a cyclic number.

It is not a de Polignac number, because 44452785751013 - 2²² = 44452781556709 is a prime.

It is a super-2 number, since 2×44452785751013² (a number of 28 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 44452785751013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44452785751313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22226392875506 + 22226392875507.

It is an arithmetic number, because the mean of its divisors is an integer number (22226392875507).

Almost surely, 2^{44452785751013} is an apocalyptic number.

It is an amenable number.

44452785751013 is a deficient number, since it is larger than the sum of its proper divisors (1).

44452785751013 is an equidigital number, since it uses as much as digits as its factorization.

44452785751013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816000, while the sum is 56.

The spelling of 44452785751013 in words is "forty-four trillion, four hundred fifty-two billion, seven hundred eighty-five million, seven hundred fifty-one thousand, thirteen".