268304684529 has 16 divisors (see below), whose sum is σ = 408989639552. Its totient is φ = 153262810368.

The previous prime is 268304684509. The next prime is 268304684537. The reversal of 268304684529 is 925486403862.

It is a de Polignac number, because none of the positive numbers 2^k-268304684529 is a prime.

It is a super-3 number, since 3×268304684529³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268304684509) 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, 2195434 + ... + 2314419.

It is an arithmetic number, because the mean of its divisors is an integer number (25561852472).

Almost surely, 2^268304684529 is an apocalyptic number.

It is an amenable number.

268304684529 is a deficient number, since it is larger than the sum of its proper divisors (140684955023).

268304684529 is a wasteful number, since it uses less digits than its factorization.

268304684529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512696.

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 268304684529 in words is "two hundred sixty-eight billion, three hundred four million, six hundred eighty-four thousand, five hundred twenty-nine".