2794445866 has 4 divisors (see below), whose sum is σ = 4191668802. Its totient is φ = 1397222932.

The previous prime is 2794445837. The next prime is 2794445867. The reversal of 2794445866 is 6685444972.

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., 2728495225 + 65950641 = 52235^2 + 8121^2 .

It is not an unprimeable number, because it can be changed into a prime (2794445867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698611465 + ... + 698611468.

Almost surely, 2^2794445866 is an apocalyptic number.

2794445866 is a deficient number, since it is larger than the sum of its proper divisors (1397222936).

2794445866 is a wasteful number, since it uses less digits than its factorization.

2794445866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397222935.

The product of its digits is 11612160, while the sum is 55.

The square root of 2794445866 is about 52862.5185362937. The cubic root of 2794445866 is about 1408.5271856806.

The spelling of 2794445866 in words is "two billion, seven hundred ninety-four million, four hundred forty-five thousand, eight hundred sixty-six".