6544009037 has 2 divisors, whose sum is σ = 6544009038. Its totient is φ = 6544009036.

The previous prime is 6544008997. The next prime is 6544009039. The reversal of 6544009037 is 7309004456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5903463556 + 640545481 = 76834^2 + 25309^2 .

It is a cyclic number.

It is not a de Polignac number, because 6544009037 - 2²⁰ = 6542960461 is a prime.

Together with 6544009039, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6544009039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272004518 + 3272004519.

It is an arithmetic number, because the mean of its divisors is an integer number (3272004519).

Almost surely, 2^6544009037 is an apocalyptic number.

It is an amenable number.

6544009037 is a deficient number, since it is larger than the sum of its proper divisors (1).

6544009037 is an equidigital number, since it uses as much as digits as its factorization.

6544009037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 6544009037 is about 80895.0495209688. The cubic root of 6544009037 is about 1870.4580113881.

The spelling of 6544009037 in words is "six billion, five hundred forty-four million, nine thousand, thirty-seven".