1440447302513 has 2 divisors, whose sum is σ = 1440447302514. Its totient is φ = 1440447302512.

The previous prime is 1440447302447. The next prime is 1440447302521. The reversal of 1440447302513 is 3152037440441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1439587229584 + 860072929 = 1199828^2 + 29327^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440447302513 - 2¹⁸ = 1440447040369 is a prime.

It is a super-4 number, since 4×1440447302513⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1440447302563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720223651256 + 720223651257.

It is an arithmetic number, because the mean of its divisors is an integer number (720223651257).

Almost surely, 2^{1440447302513} is an apocalyptic number.

It is an amenable number.

1440447302513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440447302513 is an equidigital number, since it uses as much as digits as its factorization.

1440447302513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 1440447302513 in words is "one trillion, four hundred forty billion, four hundred forty-seven million, three hundred two thousand, five hundred thirteen".