2126774266 has 4 divisors (see below), whose sum is σ = 3190161402. Its totient is φ = 1063387132.

The previous prime is 2126774231. The next prime is 2126774323. The reversal of 2126774266 is 6624776212.

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

It can be written as a sum of positive squares in only one way, i.e., 1289887225 + 836887041 = 35915^2 + 28929^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531693565 + ... + 531693568.

Almost surely, 2^2126774266 is an apocalyptic number.

2126774266 is a deficient number, since it is larger than the sum of its proper divisors (1063387136).

2126774266 is a wasteful number, since it uses less digits than its factorization.

2126774266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063387135.

The product of its digits is 338688, while the sum is 43.

The square root of 2126774266 is about 46116.9628878572. The cubic root of 2126774266 is about 1285.9985104957.

The spelling of 2126774266 in words is "two billion, one hundred twenty-six million, seven hundred seventy-four thousand, two hundred sixty-six".