4512794666 has 4 divisors (see below), whose sum is σ = 6769192002. Its totient is φ = 2256397332.

The previous prime is 4512794641. The next prime is 4512794681. The reversal of 4512794666 is 6664972154.

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., 4500397225 + 12397441 = 67085^2 + 3521^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128198665 + ... + 1128198668.

Almost surely, 2^4512794666 is an apocalyptic number.

4512794666 is a deficient number, since it is larger than the sum of its proper divisors (2256397336).

4512794666 is a wasteful number, since it uses less digits than its factorization.

4512794666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256397335.

The product of its digits is 2177280, while the sum is 50.

The square root of 4512794666 is about 67177.3374435159. The cubic root of 4512794666 is about 1652.5268496198.

The spelling of 4512794666 in words is "four billion, five hundred twelve million, seven hundred ninety-four thousand, six hundred sixty-six".