2766946045 has 4 divisors (see below), whose sum is σ = 3320335260. Its totient is φ = 2213556832.

The previous prime is 2766946033. The next prime is 2766946051. The reversal of 2766946045 is 5406496672.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1071318361 + 1695627684 = 32731^2 + 41178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2766946045 is a prime.

It is a super-2 number, since 2×2766946045² = 15311980831882284050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2766946045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276694600 + ... + 276694609.

It is an arithmetic number, because the mean of its divisors is an integer number (830083815).

Almost surely, 2^2766946045 is an apocalyptic number.

It is an amenable number.

2766946045 is a deficient number, since it is larger than the sum of its proper divisors (553389215).

2766946045 is an equidigital number, since it uses as much as digits as its factorization.

2766946045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553389214.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 2766946045 is about 52601.7684588646. The cubic root of 2766946045 is about 1403.8915612618.

The spelling of 2766946045 in words is "two billion, seven hundred sixty-six million, nine hundred forty-six thousand, forty-five".