6858969785554 has 16 divisors (see below), whose sum is σ = 10844528316480. Its totient is φ = 3244612880880.

The previous prime is 6858969785509. The next prime is 6858969785581. The reversal of 6858969785554 is 4555879698586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121438257 + ... + 121494724.

It is an arithmetic number, because the mean of its divisors is an integer number (677783019780).

Almost surely, 2^{6858969785554} is an apocalyptic number.

6858969785554 is a deficient number, since it is larger than the sum of its proper divisors (3985558530926).

6858969785554 is a wasteful number, since it uses less digits than its factorization.

6858969785554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242933745.

The product of its digits is 26127360000, while the sum is 85.

The spelling of 6858969785554 in words is "six trillion, eight hundred fifty-eight billion, nine hundred sixty-nine million, seven hundred eighty-five thousand, five hundred fifty-four".