268406712737 has 8 divisors (see below), whose sum is σ = 284378841000. Its totient is φ = 252454973184.

The previous prime is 268406712733. The next prime is 268406712773. The reversal of 268406712737 is 737217604862.

It can be written as a sum of positive squares in 4 ways, for example, as 18775576576 + 249631136161 = 137024^2 + 499631^2 .

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 268406712737 - 2² = 268406712733 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268406712733) 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, 5070062 + ... + 5122727.

It is an arithmetic number, because the mean of its divisors is an integer number (35547355125).

Almost surely, 2^268406712737 is an apocalyptic number.

It is an amenable number.

268406712737 is a deficient number, since it is larger than the sum of its proper divisors (15972128263).

268406712737 is a wasteful number, since it uses less digits than its factorization.

268406712737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194355.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 268406712737 in words is "two hundred sixty-eight billion, four hundred six million, seven hundred twelve thousand, seven hundred thirty-seven".