268143005659 has 2 divisors, whose sum is σ = 268143005660. Its totient is φ = 268143005658.

The previous prime is 268143005531. The next prime is 268143005681. The reversal of 268143005659 is 956500341862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268143005659 - 2⁷ = 268143005531 is a prime.

It is not a weakly prime, because it can be changed into another prime (268143005699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134071502829 + 134071502830.

It is an arithmetic number, because the mean of its divisors is an integer number (134071502830).

Almost surely, 2^268143005659 is an apocalyptic number.

268143005659 is a deficient number, since it is larger than the sum of its proper divisors (1).

268143005659 is an equidigital number, since it uses as much as digits as its factorization.

268143005659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 268143005659 in words is "two hundred sixty-eight billion, one hundred forty-three million, five thousand, six hundred fifty-nine".