6495691540763 has 2 divisors, whose sum is σ = 6495691540764. Its totient is φ = 6495691540762.

The previous prime is 6495691540759. The next prime is 6495691540801. The reversal of 6495691540763 is 3670451965946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6495691540763 - 2² = 6495691540759 is a prime.

It is a super-4 number, since 4×6495691540763⁴ (a number of 52 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6495691540763.

It is not a weakly prime, because it can be changed into another prime (6495691540733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247845770381 + 3247845770382.

It is an arithmetic number, because the mean of its divisors is an integer number (3247845770382).

Almost surely, 2^{6495691540763} is an apocalyptic number.

6495691540763 is a deficient number, since it is larger than the sum of its proper divisors (1).

6495691540763 is an equidigital number, since it uses as much as digits as its factorization.

6495691540763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 146966400, while the sum is 65.

The spelling of 6495691540763 in words is "six trillion, four hundred ninety-five billion, six hundred ninety-one million, five hundred forty thousand, seven hundred sixty-three".