268673579 has 2 divisors, whose sum is σ = 268673580. Its totient is φ = 268673578.

The previous prime is 268673527. The next prime is 268673591. The reversal of 268673579 is 975376862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268673579 - 2¹² = 268669483 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268673579.

It is not a weakly prime, because it can be changed into another prime (268676579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134336789 + 134336790.

It is an arithmetic number, because the mean of its divisors is an integer number (134336790).

Almost surely, 2^268673579 is an apocalyptic number.

268673579 is a deficient number, since it is larger than the sum of its proper divisors (1).

268673579 is an equidigital number, since it uses as much as digits as its factorization.

268673579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 53.

The square root of 268673579 is about 16391.2653263865. The cubic root of 268673579 is about 645.2702663224.

The spelling of 268673579 in words is "two hundred sixty-eight million, six hundred seventy-three thousand, five hundred seventy-nine".