17864037313 has 2 divisors, whose sum is σ = 17864037314. Its totient is φ = 17864037312.

The previous prime is 17864037311. The next prime is 17864037343. The reversal of 17864037313 is 31373046871.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15646757569 + 2217279744 = 125087^2 + 47088^2 .

It is a cyclic number.

It is not a de Polignac number, because 17864037313 - 2¹ = 17864037311 is a prime.

Together with 17864037311, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 17864037313.

It is not a weakly prime, because it can be changed into another prime (17864037311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8932018656 + 8932018657.

It is an arithmetic number, because the mean of its divisors is an integer number (8932018657).

Almost surely, 2^17864037313 is an apocalyptic number.

It is an amenable number.

17864037313 is a deficient number, since it is larger than the sum of its proper divisors (1).

17864037313 is an equidigital number, since it uses as much as digits as its factorization.

17864037313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 17864037313 in words is "seventeen billion, eight hundred sixty-four million, thirty-seven thousand, three hundred thirteen".