4069387778968 has 16 divisors (see below), whose sum is σ = 8078931620280. Its totient is φ = 1915006013568.

The previous prime is 4069387778941. The next prime is 4069387778971. The reversal of 4069387778968 is 8698777839604.

It is a super-2 number, since 2×4069387778968² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4069387778891 and 4069387778900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14960984346 + ... + 14960984617.

Almost surely, 2^{4069387778968} is an apocalyptic number.

It is an amenable number.

4069387778968 is a deficient number, since it is larger than the sum of its proper divisors (4009543841312).

4069387778968 is a wasteful number, since it uses less digits than its factorization.

4069387778968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29921968986 (or 29921968982 counting only the distinct ones).

The product of its (nonzero) digits is 6145155072, while the sum is 82.

The spelling of 4069387778968 in words is "four trillion, sixty-nine billion, three hundred eighty-seven million, seven hundred seventy-eight thousand, nine hundred sixty-eight".