6495990842807 has 2 divisors, whose sum is σ = 6495990842808. Its totient is φ = 6495990842806.

The previous prime is 6495990842729. The next prime is 6495990842843. The reversal of 6495990842807 is 7082480995946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6495990842807 - 2³⁶ = 6427271366071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6495990842897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247995421403 + 3247995421404.

It is an arithmetic number, because the mean of its divisors is an integer number (3247995421404).

Almost surely, 2^{6495990842807} is an apocalyptic number.

6495990842807 is a deficient number, since it is larger than the sum of its proper divisors (1).

6495990842807 is an equidigital number, since it uses as much as digits as its factorization.

6495990842807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 6495990842807 in words is "six trillion, four hundred ninety-five billion, nine hundred ninety million, eight hundred forty-two thousand, eight hundred seven".