4066397995 has 32 divisors (see below), whose sum is σ = 5381816256. Its totient is φ = 2949379840.

The previous prime is 4066397987. The next prime is 4066398019. The reversal of 4066397995 is 5997936604.

4066397995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4066397995 - 2³ = 4066397987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3706287 + ... + 3707383.

It is an arithmetic number, because the mean of its divisors is an integer number (168181758).

Almost surely, 2^4066397995 is an apocalyptic number.

4066397995 is a deficient number, since it is larger than the sum of its proper divisors (1315418261).

4066397995 is a wasteful number, since it uses less digits than its factorization.

4066397995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 58.

The square root of 4066397995 is about 63768.3149769539. The cubic root of 4066397995 is about 1596.1362494207.

The spelling of 4066397995 in words is "four billion, sixty-six million, three hundred ninety-seven thousand, nine hundred ninety-five".