6544938299 has 2 divisors, whose sum is σ = 6544938300. Its totient is φ = 6544938298.

The previous prime is 6544938287. The next prime is 6544938347. The reversal of 6544938299 is 9928394456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6544938299 - 2²⁴ = 6528161083 is a prime.

It is not a weakly prime, because it can be changed into another prime (6544931299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272469149 + 3272469150.

It is an arithmetic number, because the mean of its divisors is an integer number (3272469150).

Almost surely, 2^6544938299 is an apocalyptic number.

6544938299 is a deficient number, since it is larger than the sum of its proper divisors (1).

6544938299 is an equidigital number, since it uses as much as digits as its factorization.

6544938299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16796160, while the sum is 59.

The square root of 6544938299 is about 80900.7929441980. The cubic root of 6544938299 is about 1870.5465434218.

The spelling of 6544938299 in words is "six billion, five hundred forty-four million, nine hundred thirty-eight thousand, two hundred ninety-nine".