5664100662509 has 2 divisors, whose sum is σ = 5664100662510. Its totient is φ = 5664100662508.

The previous prime is 5664100662457. The next prime is 5664100662529. The reversal of 5664100662509 is 9052660014665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3784884648484 + 1879216014025 = 1945478^2 + 1370845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5664100662509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5664100662529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832050331254 + 2832050331255.

It is an arithmetic number, because the mean of its divisors is an integer number (2832050331255).

Almost surely, 2^{5664100662509} is an apocalyptic number.

It is an amenable number.

5664100662509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5664100662509 is an equidigital number, since it uses as much as digits as its factorization.

5664100662509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 5664100662509 in words is "five trillion, six hundred sixty-four billion, one hundred million, six hundred sixty-two thousand, five hundred nine".