1144646464399 has 2 divisors, whose sum is σ = 1144646464400. Its totient is φ = 1144646464398.

The previous prime is 1144646464349. The next prime is 1144646464427. The reversal of 1144646464399 is 9934646464411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144646464399 - 2¹³ = 1144646456207 is a prime.

It is a super-2 number, since 2×1144646464399² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144646464319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572323232199 + 572323232200.

It is an arithmetic number, because the mean of its divisors is an integer number (572323232200).

Almost surely, 2^{1144646464399} is an apocalyptic number.

1144646464399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144646464399 is an equidigital number, since it uses as much as digits as its factorization.

1144646464399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53747712, while the sum is 61.

The spelling of 1144646464399 in words is "one trillion, one hundred forty-four billion, six hundred forty-six million, four hundred sixty-four thousand, three hundred ninety-nine".