6499081960507 has 2 divisors, whose sum is σ = 6499081960508. Its totient is φ = 6499081960506.

The previous prime is 6499081960499. The next prime is 6499081960517. The reversal of 6499081960507 is 7050691809946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6499081960507 - 2³ = 6499081960499 is a prime.

It is not a weakly prime, because it can be changed into another prime (6499081960517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3249540980253 + 3249540980254.

It is an arithmetic number, because the mean of its divisors is an integer number (3249540980254).

Almost surely, 2^{6499081960507} is an apocalyptic number.

6499081960507 is a deficient number, since it is larger than the sum of its proper divisors (1).

6499081960507 is an equidigital number, since it uses as much as digits as its factorization.

6499081960507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29393280, while the sum is 64.

The spelling of 6499081960507 in words is "six trillion, four hundred ninety-nine billion, eighty-one million, nine hundred sixty thousand, five hundred seven".