13643700017 has 2 divisors, whose sum is σ = 13643700018. Its totient is φ = 13643700016.

The previous prime is 13643699999. The next prime is 13643700053. The reversal of 13643700017 is 71000734631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13325470096 + 318229921 = 115436^2 + 17839^2 .

It is a cyclic number.

It is not a de Polignac number, because 13643700017 - 2¹⁴ = 13643683633 is a prime.

It is not a weakly prime, because it can be changed into another prime (13643700817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6821850008 + 6821850009.

It is an arithmetic number, because the mean of its divisors is an integer number (6821850009).

Almost surely, 2^13643700017 is an apocalyptic number.

It is an amenable number.

13643700017 is a deficient number, since it is larger than the sum of its proper divisors (1).

13643700017 is an equidigital number, since it uses as much as digits as its factorization.

13643700017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The spelling of 13643700017 in words is "thirteen billion, six hundred forty-three million, seven hundred thousand, seventeen".