4080216647 has 4 divisors (see below), whose sum is σ = 4394079480. Its totient is φ = 3766353816.

The previous prime is 4080216643. The next prime is 4080216677. The reversal of 4080216647 is 7466120804.

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 4080216647 - 2² = 4080216643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4080216647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4080216641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156931397 + ... + 156931422.

It is an arithmetic number, because the mean of its divisors is an integer number (1098519870).

Almost surely, 2^4080216647 is an apocalyptic number.

4080216647 is a deficient number, since it is larger than the sum of its proper divisors (313862833).

4080216647 is a wasteful number, since it uses less digits than its factorization.

4080216647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313862832.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 4080216647 is about 63876.5735383482. The cubic root of 4080216647 is about 1597.9422305365.

The spelling of 4080216647 in words is "four billion, eighty million, two hundred sixteen thousand, six hundred forty-seven".