2256969766 has 4 divisors (see below), whose sum is σ = 3385454652. Its totient is φ = 1128484882.

The previous prime is 2256969749. The next prime is 2256969769. The reversal of 2256969766 is 6679696522.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2256969766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256969769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564242440 + ... + 564242443.

It is an arithmetic number, because the mean of its divisors is an integer number (846363663).

Almost surely, 2^2256969766 is an apocalyptic number.

2256969766 is a deficient number, since it is larger than the sum of its proper divisors (1128484886).

2256969766 is a wasteful number, since it uses less digits than its factorization.

2256969766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128484885.

The product of its digits is 14696640, while the sum is 58.

The square root of 2256969766 is about 47507.5758800636. The cubic root of 2256969766 is about 1311.7223360674.

The spelling of 2256969766 in words is "two billion, two hundred fifty-six million, nine hundred sixty-nine thousand, seven hundred sixty-six".