268803387473 has 8 divisors (see below), whose sum is σ = 285796332360. Its totient is φ = 251941662720.

The previous prime is 268803387401. The next prime is 268803387481. The reversal of 268803387473 is 374783308862.

It can be written as a sum of positive squares in 4 ways, for example, as 199462278544 + 69341108929 = 446612^2 + 263327^2 .

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 268803387473 - 2²⁶ = 268736278609 is a prime.

It is a super-2 number, since 2×268803387473² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268803387493) 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, 32800808 + ... + 32809001.

It is an arithmetic number, because the mean of its divisors is an integer number (35724541545).

Almost surely, 2^268803387473 is an apocalyptic number.

It is an amenable number.

268803387473 is a deficient number, since it is larger than the sum of its proper divisors (16992944887).

268803387473 is a wasteful number, since it uses less digits than its factorization.

268803387473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65610067.

The product of its (nonzero) digits is 32514048, while the sum is 59.

The spelling of 268803387473 in words is "two hundred sixty-eight billion, eight hundred three million, three hundred eighty-seven thousand, four hundred seventy-three".