4069387778966 has 16 divisors (see below), whose sum is σ = 6122344160448. Its totient is φ = 2028612720000.

The previous prime is 4069387778941. The next prime is 4069387778971. The reversal of 4069387778966 is 6698777839604.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294035 + ... + 2867966.

It is an arithmetic number, because the mean of its divisors is an integer number (382646510028).

Almost surely, 2^{4069387778966} is an apocalyptic number.

4069387778966 is a deficient number, since it is larger than the sum of its proper divisors (2052956381482).

4069387778966 is a wasteful number, since it uses less digits than its factorization.

4069387778966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163927.

The product of its (nonzero) digits is 4608866304, while the sum is 80.

The spelling of 4069387778966 in words is "four trillion, sixty-nine billion, three hundred eighty-seven million, seven hundred seventy-eight thousand, nine hundred sixty-six".