4004068849 has 16 divisors (see below), whose sum is σ = 4490815680. Its totient is φ = 3537984960.

The previous prime is 4004068829. The next prime is 4004068877. The reversal of 4004068849 is 9488604004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4004068849 - 2⁹ = 4004068337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4004068829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430482 + ... + 439684.

It is an arithmetic number, because the mean of its divisors is an integer number (280675980).

Almost surely, 2^4004068849 is an apocalyptic number.

It is an amenable number.

4004068849 is a deficient number, since it is larger than the sum of its proper divisors (486746831).

4004068849 is a wasteful number, since it uses less digits than its factorization.

4004068849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10320.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 4004068849 is about 63277.7121030778. The cubic root of 4004068849 is about 1587.9391108346.

The spelling of 4004068849 in words is "four billion, four million, sixty-eight thousand, eight hundred forty-nine".