268675379939 has 2 divisors, whose sum is σ = 268675379940. Its totient is φ = 268675379938.

The previous prime is 268675379897. The next prime is 268675380007. The reversal of 268675379939 is 939973576862.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268675379939 is a prime.

It is not a weakly prime, because it can be changed into another prime (268675679939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134337689969 + 134337689970.

It is an arithmetic number, because the mean of its divisors is an integer number (134337689970).

Almost surely, 2^268675379939 is an apocalyptic number.

268675379939 is a deficient number, since it is larger than the sum of its proper divisors (1).

268675379939 is an equidigital number, since it uses as much as digits as its factorization.

268675379939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 925888320, while the sum is 74.

The spelling of 268675379939 in words is "two hundred sixty-eight billion, six hundred seventy-five million, three hundred seventy-nine thousand, nine hundred thirty-nine".