6495012899 has 2 divisors, whose sum is σ = 6495012900. Its totient is φ = 6495012898.

The previous prime is 6495012851. The next prime is 6495012949. The reversal of 6495012899 is 9982105946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6495012899 - 2¹⁶ = 6494947363 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6495012899.

It is not a weakly prime, because it can be changed into another prime (6495011899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247506449 + 3247506450.

It is an arithmetic number, because the mean of its divisors is an integer number (3247506450).

Almost surely, 2^6495012899 is an apocalyptic number.

6495012899 is a deficient number, since it is larger than the sum of its proper divisors (1).

6495012899 is an equidigital number, since it uses as much as digits as its factorization.

6495012899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The square root of 6495012899 is about 80591.6428607830. The cubic root of 6495012899 is about 1865.7781637223.

The spelling of 6495012899 in words is "six billion, four hundred ninety-five million, twelve thousand, eight hundred ninety-nine".