268698417792019 has 2 divisors, whose sum is σ = 268698417792020. Its totient is φ = 268698417792018.

The previous prime is 268698417791989. The next prime is 268698417792053. The reversal of 268698417792019 is 910297714896862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268698417792019 - 2²⁵ = 268698384237587 is a prime.

It is a super-2 number, since 2×268698417792019² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268698417792019.

It is not a weakly prime, because it can be changed into another prime (268698417702019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134349208896009 + 134349208896010.

It is an arithmetic number, because the mean of its divisors is an integer number (134349208896010).

Almost surely, 2^{268698417792019} is an apocalyptic number.

268698417792019 is a deficient number, since it is larger than the sum of its proper divisors (1).

268698417792019 is an equidigital number, since it uses as much as digits as its factorization.

268698417792019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1316818944, while the sum is 79.

The spelling of 268698417792019 in words is "two hundred sixty-eight trillion, six hundred ninety-eight billion, four hundred seventeen million, seven hundred ninety-two thousand, nineteen".