268897745589 has 16 divisors (see below), whose sum is σ = 391143790080. Its totient is φ = 162960082160.

The previous prime is 268897745587. The next prime is 268897745603. The reversal of 268897745589 is 985547798862.

It is a cyclic number.

It is not a de Polignac number, because 268897745589 - 2¹ = 268897745587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268897745587) 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, 490822 + ... + 882440.

It is an arithmetic number, because the mean of its divisors is an integer number (24446486880).

Almost surely, 2^268897745589 is an apocalyptic number.

It is an amenable number.

268897745589 is a deficient number, since it is larger than the sum of its proper divisors (122246044491).

268897745589 is a wasteful number, since it uses less digits than its factorization.

268897745589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412440.

The product of its digits is 2438553600, while the sum is 78.

The spelling of 268897745589 in words is "two hundred sixty-eight billion, eight hundred ninety-seven million, seven hundred forty-five thousand, five hundred eighty-nine".