6411744137 has 2 divisors, whose sum is σ = 6411744138. Its totient is φ = 6411744136.

The previous prime is 6411744083. The next prime is 6411744179. The reversal of 6411744137 is 7314471146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4703079241 + 1708664896 = 68579^2 + 41336^2 .

It is a cyclic number.

It is not a de Polignac number, because 6411744137 - 2¹⁶ = 6411678601 is a prime.

It is a super-2 number, since 2×6411744137² = 82220925756707749538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6411744137.

It is not a weakly prime, because it can be changed into another prime (6411744637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205872068 + 3205872069.

It is an arithmetic number, because the mean of its divisors is an integer number (3205872069).

Almost surely, 2^6411744137 is an apocalyptic number.

It is an amenable number.

6411744137 is a deficient number, since it is larger than the sum of its proper divisors (1).

6411744137 is an equidigital number, since it uses as much as digits as its factorization.

6411744137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 38.

The square root of 6411744137 is about 80073.3672140744. The cubic root of 6411744137 is about 1857.7704948176.

The spelling of 6411744137 in words is "six billion, four hundred eleven million, seven hundred forty-four thousand, one hundred thirty-seven".