268940351 has 2 divisors, whose sum is σ = 268940352. Its totient is φ = 268940350.

The previous prime is 268940303. The next prime is 268940363. The reversal of 268940351 is 153049862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268940351 - 2¹⁰ = 268939327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268940851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134470175 + 134470176.

It is an arithmetic number, because the mean of its divisors is an integer number (134470176).

Almost surely, 2^268940351 is an apocalyptic number.

268940351 is a deficient number, since it is larger than the sum of its proper divisors (1).

268940351 is an equidigital number, since it uses as much as digits as its factorization.

268940351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 268940351 is about 16399.4009341805. The cubic root of 268940351 is about 645.4837634312.

The spelling of 268940351 in words is "two hundred sixty-eight million, nine hundred forty thousand, three hundred fifty-one".