268973129 has 8 divisors (see below), whose sum is σ = 271287168. Its totient is φ = 266666400.

The previous prime is 268973123. The next prime is 268973137. The reversal of 268973129 is 921379862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268973129 - 2¹² = 268969033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268973123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91724 + ... + 94610.

It is an arithmetic number, because the mean of its divisors is an integer number (33910896).

Almost surely, 2^268973129 is an apocalyptic number.

It is an amenable number.

268973129 is a deficient number, since it is larger than the sum of its proper divisors (2314039).

268973129 is a wasteful number, since it uses less digits than its factorization.

268973129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655.

The product of its digits is 326592, while the sum is 47.

The square root of 268973129 is about 16400.4002695056. The cubic root of 268973129 is about 645.5099858596.

The spelling of 268973129 in words is "two hundred sixty-eight million, nine hundred seventy-three thousand, one hundred twenty-nine".