6946109143 has 2 divisors, whose sum is σ = 6946109144. Its totient is φ = 6946109142.

The previous prime is 6946109113. The next prime is 6946109249. The reversal of 6946109143 is 3419016496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6946109143 - 2⁵ = 6946109111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6946109143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6946109113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473054571 + 3473054572.

It is an arithmetic number, because the mean of its divisors is an integer number (3473054572).

Almost surely, 2^6946109143 is an apocalyptic number.

6946109143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6946109143 is an equidigital number, since it uses as much as digits as its factorization.

6946109143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 6946109143 is about 83343.3209261546. The cubic root of 6946109143 is about 1908.0095070741.

The spelling of 6946109143 in words is "six billion, nine hundred forty-six million, one hundred nine thousand, one hundred forty-three".