268213629 has 16 divisors (see below), whose sum is σ = 367757312. Its totient is φ = 173752128.

The previous prime is 268213601. The next prime is 268213639. The reversal of 268213629 is 926312862.

It is a happy number.

It is not a de Polignac number, because 268213629 - 2⁷ = 268213501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268213639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160452 + ... + 162114.

It is an arithmetic number, because the mean of its divisors is an integer number (22984832).

Almost surely, 2^268213629 is an apocalyptic number.

It is an amenable number.

268213629 is a deficient number, since it is larger than the sum of its proper divisors (99543683).

268213629 is a wasteful number, since it uses less digits than its factorization.

268213629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156.

The product of its digits is 62208, while the sum is 39.

The square root of 268213629 is about 16377.2289780659. The cubic root of 268213629 is about 644.9018371135.

The spelling of 268213629 in words is "two hundred sixty-eight million, two hundred thirteen thousand, six hundred twenty-nine".