2440044757697 has 2 divisors, whose sum is σ = 2440044757698. Its totient is φ = 2440044757696.

The previous prime is 2440044757621. The next prime is 2440044757763. The reversal of 2440044757697 is 7967574400442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2331945839041 + 108098918656 = 1527071^2 + 328784^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440044757697 - 2³⁸ = 2165166850753 is a prime.

It is a super-2 number, since 2×2440044757697² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2440644757697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220022378848 + 1220022378849.

It is an arithmetic number, because the mean of its divisors is an integer number (1220022378849).

Almost surely, 2^{2440044757697} is an apocalyptic number.

It is an amenable number.

2440044757697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440044757697 is an equidigital number, since it uses as much as digits as its factorization.

2440044757697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47416320, while the sum is 59.

The spelling of 2440044757697 in words is "two trillion, four hundred forty billion, forty-four million, seven hundred fifty-seven thousand, six hundred ninety-seven".