268375810837 has 2 divisors, whose sum is σ = 268375810838. Its totient is φ = 268375810836.

The previous prime is 268375810777. The next prime is 268375810897. The reversal of 268375810837 is 738018573862.

It is a balanced prime because it is at equal distance from previous prime (268375810777) and next prime (268375810897).

It can be written as a sum of positive squares in only one way, i.e., 230213797636 + 38162013201 = 479806^2 + 195351^2 .

It is a cyclic number.

It is not a de Polignac number, because 268375810837 - 2¹⁹ = 268375286549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268375810897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134187905418 + 134187905419.

It is an arithmetic number, because the mean of its divisors is an integer number (134187905419).

Almost surely, 2^268375810837 is an apocalyptic number.

It is an amenable number.

268375810837 is a deficient number, since it is larger than the sum of its proper divisors (1).

268375810837 is an equidigital number, since it uses as much as digits as its factorization.

268375810837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 268375810837 in words is "two hundred sixty-eight billion, three hundred seventy-five million, eight hundred ten thousand, eight hundred thirty-seven".