6966139723 has 2 divisors, whose sum is σ = 6966139724. Its totient is φ = 6966139722.

The previous prime is 6966139711. The next prime is 6966139729. The reversal of 6966139723 is 3279316696.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6966139723 - 2²⁵ = 6932585291 is a prime.

It is not a weakly prime, because it can be changed into another prime (6966139729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3483069861 + 3483069862.

It is an arithmetic number, because the mean of its divisors is an integer number (3483069862).

Almost surely, 2^6966139723 is an apocalyptic number.

6966139723 is a deficient number, since it is larger than the sum of its proper divisors (1).

6966139723 is an equidigital number, since it uses as much as digits as its factorization.

6966139723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 52.

The square root of 6966139723 is about 83463.4034951846. The cubic root of 6966139723 is about 1909.8417970626.

It can be divided in two parts, 6966 and 139723, that added together give a square (146689 = 383²).

The spelling of 6966139723 in words is "six billion, nine hundred sixty-six million, one hundred thirty-nine thousand, seven hundred twenty-three".