6496943899 has 2 divisors, whose sum is σ = 6496943900. Its totient is φ = 6496943898.

The previous prime is 6496943881. The next prime is 6496943909. The reversal of 6496943899 is 9983496946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6496943899 - 2¹³ = 6496935707 is a prime.

It is not a weakly prime, because it can be changed into another prime (6496943819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248471949 + 3248471950.

It is an arithmetic number, because the mean of its divisors is an integer number (3248471950).

Almost surely, 2^6496943899 is an apocalyptic number.

6496943899 is a deficient number, since it is larger than the sum of its proper divisors (1).

6496943899 is an equidigital number, since it uses as much as digits as its factorization.

6496943899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90699264, while the sum is 67.

The square root of 6496943899 is about 80603.6221208452. The cubic root of 6496943899 is about 1865.9630471451.

The spelling of 6496943899 in words is "six billion, four hundred ninety-six million, nine hundred forty-three thousand, eight hundred ninety-nine".