6920872943 has 2 divisors, whose sum is σ = 6920872944. Its totient is φ = 6920872942.

The previous prime is 6920872897. The next prime is 6920872961. The reversal of 6920872943 is 3492780296.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6920872943 - 2⁶ = 6920872879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6920872891 and 6920872900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6920872963) by changing a digit.

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 as a sum of consecutive naturals, namely, 3460436471 + 3460436472.

It is an arithmetic number, because the mean of its divisors is an integer number (3460436472).

Almost surely, 2^6920872943 is an apocalyptic number.

6920872943 is a deficient number, since it is larger than the sum of its proper divisors (1).

6920872943 is an equidigital number, since it uses as much as digits as its factorization.

6920872943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 6920872943 is about 83191.7841075668. The cubic root of 6920872943 is about 1905.6960133112.

The spelling of 6920872943 in words is "six billion, nine hundred twenty million, eight hundred seventy-two thousand, nine hundred forty-three".