268958629 has 2 divisors, whose sum is σ = 268958630. Its totient is φ = 268958628.

The previous prime is 268958611. The next prime is 268958671. The reversal of 268958629 is 926859862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194602500 + 74356129 = 13950^2 + 8623^2 .

It is a cyclic number.

It is not a de Polignac number, because 268958629 - 2¹⁵ = 268925861 is a prime.

It is a super-2 number, since 2×268958629² = 144677488227119282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268958629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268958929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134479314 + 134479315.

It is an arithmetic number, because the mean of its divisors is an integer number (134479315).

Almost surely, 2^268958629 is an apocalyptic number.

It is an amenable number.

268958629 is a deficient number, since it is larger than the sum of its proper divisors (1).

268958629 is an equidigital number, since it uses as much as digits as its factorization.

268958629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 55.

The square root of 268958629 is about 16399.9582011662. The cubic root of 268958629 is about 645.4983861098.

The spelling of 268958629 in words is "two hundred sixty-eight million, nine hundred fifty-eight thousand, six hundred twenty-nine".