6455516797 has 2 divisors, whose sum is σ = 6455516798. Its totient is φ = 6455516796.

The previous prime is 6455516761. The next prime is 6455516891. The reversal of 6455516797 is 7976155546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3924521316 + 2530995481 = 62646^2 + 50309^2 .

It is a cyclic number.

It is not a de Polignac number, because 6455516797 - 2¹⁵ = 6455484029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6455516597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227758398 + 3227758399.

It is an arithmetic number, because the mean of its divisors is an integer number (3227758399).

Almost surely, 2^6455516797 is an apocalyptic number.

It is an amenable number.

6455516797 is a deficient number, since it is larger than the sum of its proper divisors (1).

6455516797 is an equidigital number, since it uses as much as digits as its factorization.

6455516797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938000, while the sum is 55.

The square root of 6455516797 is about 80346.2307578893. The cubic root of 6455516797 is about 1861.9885462724.

The spelling of 6455516797 in words is "six billion, four hundred fifty-five million, five hundred sixteen thousand, seven hundred ninety-seven".