44373800721361 has 2 divisors, whose sum is σ = 44373800721362. Its totient is φ = 44373800721360.

The previous prime is 44373800721329. The next prime is 44373800721493. The reversal of 44373800721361 is 16312700837344.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30125772803025 + 14248027918336 = 5488695^2 + 3774656^2 .

It is a cyclic number.

It is not a de Polignac number, because 44373800721361 - 2⁵ = 44373800721329 is a prime.

It is not a weakly prime, because it can be changed into another prime (44373800721661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22186900360680 + 22186900360681.

It is an arithmetic number, because the mean of its divisors is an integer number (22186900360681).

Almost surely, 2^{44373800721361} is an apocalyptic number.

It is an amenable number.

44373800721361 is a deficient number, since it is larger than the sum of its proper divisors (1).

44373800721361 is an equidigital number, since it uses as much as digits as its factorization.

44373800721361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 44373800721361 in words is "forty-four trillion, three hundred seventy-three billion, eight hundred million, seven hundred twenty-one thousand, three hundred sixty-one".