1440536564417 has 2 divisors, whose sum is σ = 1440536564418. Its totient is φ = 1440536564416.

The previous prime is 1440536564393. The next prime is 1440536564429. The reversal of 1440536564417 is 7144656350441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030060576561 + 410475987856 = 1014919^2 + 640684^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440536564417 - 2²⁶ = 1440469455553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1440536564447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720268282208 + 720268282209.

It is an arithmetic number, because the mean of its divisors is an integer number (720268282209).

Almost surely, 2^{1440536564417} is an apocalyptic number.

It is an amenable number.

1440536564417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440536564417 is an equidigital number, since it uses as much as digits as its factorization.

1440536564417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 1440536564417 in words is "one trillion, four hundred forty billion, five hundred thirty-six million, five hundred sixty-four thousand, four hundred seventeen".