4069406894 has 8 divisors (see below), whose sum is σ = 6976126128. Its totient is φ = 1744031520.

The previous prime is 4069406881. The next prime is 4069406959. The reversal of 4069406894 is 4986049604.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 145335947 + ... + 145335974.

It is an arithmetic number, because the mean of its divisors is an integer number (872015766).

Almost surely, 2^4069406894 is an apocalyptic number.

4069406894 is a deficient number, since it is larger than the sum of its proper divisors (2906719234).

4069406894 is a wasteful number, since it uses less digits than its factorization.

4069406894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290671930.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The square root of 4069406894 is about 63791.9030441952. The cubic root of 4069406894 is about 1596.5298351532.

The spelling of 4069406894 in words is "four billion, sixty-nine million, four hundred six thousand, eight hundred ninety-four".