4066774018 has 4 divisors (see below), whose sum is σ = 6100161030. Its totient is φ = 2033387008.

The previous prime is 4066773979. The next prime is 4066774057. The reversal of 4066774018 is 8104776604.

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

It is an interprime number because it is at equal distance from previous prime (4066773979) and next prime (4066774057).

It can be written as a sum of positive squares in only one way, i.e., 3307055049 + 759718969 = 57507^2 + 27563^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016693503 + ... + 1016693506.

Almost surely, 2^4066774018 is an apocalyptic number.

4066774018 is a deficient number, since it is larger than the sum of its proper divisors (2033387012).

4066774018 is a wasteful number, since it uses less digits than its factorization.

4066774018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033387011.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 4066774018 is about 63771.2632617545. The cubic root of 4066774018 is about 1596.1854465597.

The spelling of 4066774018 in words is "four billion, sixty-six million, seven hundred seventy-four thousand, eighteen".