6455061617 has 2 divisors, whose sum is σ = 6455061618. Its totient is φ = 6455061616.

The previous prime is 6455061581. The next prime is 6455061647. The reversal of 6455061617 is 7161605546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6142797376 + 312264241 = 78376^2 + 17671^2 .

It is a cyclic number.

It is not a de Polignac number, because 6455061617 - 2⁶ = 6455061553 is a prime.

It is not a weakly prime, because it can be changed into another prime (6455061647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227530808 + 3227530809.

It is an arithmetic number, because the mean of its divisors is an integer number (3227530809).

Almost surely, 2^6455061617 is an apocalyptic number.

It is an amenable number.

6455061617 is a deficient number, since it is larger than the sum of its proper divisors (1).

6455061617 is an equidigital number, since it uses as much as digits as its factorization.

6455061617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 6455061617 is about 80343.3980921893. The cubic root of 6455061617 is about 1861.9447821611.

The spelling of 6455061617 in words is "six billion, four hundred fifty-five million, sixty-one thousand, six hundred seventeen".