2268766726351 has 4 divisors (see below), whose sum is σ = 2278259474400. Its totient is φ = 2259273978304.

The previous prime is 2268766726319. The next prime is 2268766726357. The reversal of 2268766726351 is 1536276678622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2268766726351 - 2⁵ = 2268766726319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2268766726351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268766726357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4746373666 + ... + 4746374143.

It is an arithmetic number, because the mean of its divisors is an integer number (569564868600).

Almost surely, 2^{2268766726351} is an apocalyptic number.

2268766726351 is a deficient number, since it is larger than the sum of its proper divisors (9492748049).

2268766726351 is an equidigital number, since it uses as much as digits as its factorization.

2268766726351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9492748048.

The product of its digits is 60963840, while the sum is 61.

The spelling of 2268766726351 in words is "two trillion, two hundred sixty-eight billion, seven hundred sixty-six million, seven hundred twenty-six thousand, three hundred fifty-one".