4066371247 has 4 divisors (see below), whose sum is σ = 4068479016. Its totient is φ = 4064263480.

The previous prime is 4066371229. The next prime is 4066371289. The reversal of 4066371247 is 7421736604.

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

It is a cyclic number.

It is not a de Polignac number, because 4066371247 - 2⁷ = 4066371119 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4064371247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050988 + ... + 1054849.

It is an arithmetic number, because the mean of its divisors is an integer number (1017119754).

Almost surely, 2^4066371247 is an apocalyptic number.

4066371247 is a deficient number, since it is larger than the sum of its proper divisors (2107769).

4066371247 is a wasteful number, since it uses less digits than its factorization.

4066371247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107768.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 4066371247 is about 63768.1052486272. The cubic root of 4066371247 is about 1596.1327497185.

The spelling of 4066371247 in words is "four billion, sixty-six million, three hundred seventy-one thousand, two hundred forty-seven".