6906973666055 has 4 divisors (see below), whose sum is σ = 8288368399272. Its totient is φ = 5525578932840.

The previous prime is 6906973666001. The next prime is 6906973666069. The reversal of 6906973666055 is 5506663796096.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6906973666055 - 2³⁸ = 6632095759111 is a prime.

It is a Duffinian number.

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, 690697366601 + ... + 690697366610.

It is an arithmetic number, because the mean of its divisors is an integer number (2072092099818).

Almost surely, 2^{6906973666055} is an apocalyptic number.

6906973666055 is a deficient number, since it is larger than the sum of its proper divisors (1381394733217).

6906973666055 is a wasteful number, since it uses less digits than its factorization.

6906973666055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381394733216.

The product of its (nonzero) digits is 330674400, while the sum is 68.

The spelling of 6906973666055 in words is "six trillion, nine hundred six billion, nine hundred seventy-three million, six hundred sixty-six thousand, fifty-five".