268183693 has 2 divisors, whose sum is σ = 268183694. Its totient is φ = 268183692.

The previous prime is 268183679. The next prime is 268183753. The reversal of 268183693 is 396381862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203975524 + 64208169 = 14282^2 + 8013^2 .

It is a cyclic number.

It is not a de Polignac number, because 268183693 - 2⁵ = 268183661 is a prime.

It is a super-2 number, since 2×268183693² = 143844986382236498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268183493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134091846 + 134091847.

It is an arithmetic number, because the mean of its divisors is an integer number (134091847).

Almost surely, 2^268183693 is an apocalyptic number.

It is an amenable number.

268183693 is a deficient number, since it is larger than the sum of its proper divisors (1).

268183693 is an equidigital number, since it uses as much as digits as its factorization.

268183693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 268183693 is about 16376.3150006343. The cubic root of 268183693 is about 644.8778431803.

The spelling of 268183693 in words is "two hundred sixty-eight million, one hundred eighty-three thousand, six hundred ninety-three".