6494317075951 has 2 divisors, whose sum is σ = 6494317075952. Its totient is φ = 6494317075950.

The previous prime is 6494317075943. The next prime is 6494317076057. The reversal of 6494317075951 is 1595707134946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6494317075951 - 2³ = 6494317075943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6494317075951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6494317075751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247158537975 + 3247158537976.

It is an arithmetic number, because the mean of its divisors is an integer number (3247158537976).

Almost surely, 2^{6494317075951} is an apocalyptic number.

6494317075951 is a deficient number, since it is larger than the sum of its proper divisors (1).

6494317075951 is an equidigital number, since it uses as much as digits as its factorization.

6494317075951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28576800, while the sum is 61.

The spelling of 6494317075951 in words is "six trillion, four hundred ninety-four billion, three hundred seventeen million, seventy-five thousand, nine hundred fifty-one".