268697798369 has 24 divisors (see below), whose sum is σ = 362751337152. Its totient is φ = 193269136320.

The previous prime is 268697798359. The next prime is 268697798371. The reversal of 268697798369 is 963897796862.

It is not a de Polignac number, because 268697798369 - 2²⁴ = 268681021153 is a prime.

It is a super-2 number, since 2×268697798369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 268697798293 and 268697798302.

It is not an unprimeable number, because it can be changed into a prime (268697798359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10311194 + ... + 10337219.

It is an arithmetic number, because the mean of its divisors is an integer number (15114639048).

Almost surely, 2^268697798369 is an apocalyptic number.

It is an amenable number.

268697798369 is a deficient number, since it is larger than the sum of its proper divisors (94053538783).

268697798369 is a wasteful number, since it uses less digits than its factorization.

268697798369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20648457 (or 20648444 counting only the distinct ones).

The product of its digits is 2962842624, while the sum is 80.

The spelling of 268697798369 in words is "two hundred sixty-eight billion, six hundred ninety-seven million, seven hundred ninety-eight thousand, three hundred sixty-nine".