6495691540801 has 2 divisors, whose sum is σ = 6495691540802. Its totient is φ = 6495691540800.

The previous prime is 6495691540763. The next prime is 6495691540829. The reversal of 6495691540801 is 1080451965946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6380292053776 + 115399487025 = 2525924^2 + 339705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6495691540801 is a prime.

It is not a weakly prime, because it can be changed into another prime (6495691540301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247845770400 + 3247845770401.

It is an arithmetic number, because the mean of its divisors is an integer number (3247845770401).

Almost surely, 2^{6495691540801} is an apocalyptic number.

It is an amenable number.

6495691540801 is a deficient number, since it is larger than the sum of its proper divisors (1).

6495691540801 is an equidigital number, since it uses as much as digits as its factorization.

6495691540801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 58.

The spelling of 6495691540801 in words is "six trillion, four hundred ninety-five billion, six hundred ninety-one million, five hundred forty thousand, eight hundred one".