4006812365 has 8 divisors (see below), whose sum is σ = 5091008760. Its totient is φ = 3016893952.

The previous prime is 4006812361. The next prime is 4006812391. The reversal of 4006812365 is 5632186004.

It can be written as a sum of positive squares in 4 ways, for example, as 1467962596 + 2538849769 = 38314^2 + 50387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4006812365 - 2² = 4006812361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006812361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23569400 + ... + 23569569.

It is an arithmetic number, because the mean of its divisors is an integer number (636376095).

Almost surely, 2^4006812365 is an apocalyptic number.

It is an amenable number.

4006812365 is a deficient number, since it is larger than the sum of its proper divisors (1084196395).

4006812365 is a wasteful number, since it uses less digits than its factorization.

4006812365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47138991.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 4006812365 is about 63299.3867663819. The cubic root of 4006812365 is about 1588.3017038114.

Adding to 4006812365 its reverse (5632186004), we get a palindrome (9638998369).

The spelling of 4006812365 in words is "four billion, six million, eight hundred twelve thousand, three hundred sixty-five".