6499051679 has 2 divisors, whose sum is σ = 6499051680. Its totient is φ = 6499051678.

The previous prime is 6499051651. The next prime is 6499051681. The reversal of 6499051679 is 9761509946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6499051679 - 2⁸ = 6499051423 is a prime.

Together with 6499051681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6499051609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3249525839 + 3249525840.

It is an arithmetic number, because the mean of its divisors is an integer number (3249525840).

Almost surely, 2^6499051679 is an apocalyptic number.

6499051679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6499051679 is an equidigital number, since it uses as much as digits as its factorization.

6499051679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 6499051679 is about 80616.6960312813. The cubic root of 6499051679 is about 1866.1648145403.

The spelling of 6499051679 in words is "six billion, four hundred ninety-nine million, fifty-one thousand, six hundred seventy-nine".