2654664517 has 2 divisors, whose sum is σ = 2654664518. Its totient is φ = 2654664516.

The previous prime is 2654664503. The next prime is 2654664521. The reversal of 2654664517 is 7154664562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1929493476 + 725171041 = 43926^2 + 26929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2654664517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2654664587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327332258 + 1327332259.

It is an arithmetic number, because the mean of its divisors is an integer number (1327332259).

Almost surely, 2^2654664517 is an apocalyptic number.

It is an amenable number.

2654664517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2654664517 is an equidigital number, since it uses as much as digits as its factorization.

2654664517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 46.

The square root of 2654664517 is about 51523.4365798711. The cubic root of 2654664517 is about 1384.6389631826.

The spelling of 2654664517 in words is "two billion, six hundred fifty-four million, six hundred sixty-four thousand, five hundred seventeen".