6945929 has 2 divisors, whose sum is σ = 6945930. Its totient is φ = 6945928.

The previous prime is 6945889. The next prime is 6945941. The reversal of 6945929 is 9295496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6943225 + 2704 = 2635^2 + 52^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6945929 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6945929.

It is not a weakly prime, because it can be changed into another prime (6945949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3472964 + 3472965.

It is an arithmetic number, because the mean of its divisors is an integer number (3472965).

Almost surely, 2^6945929 is an apocalyptic number.

It is an amenable number.

6945929 is a deficient number, since it is larger than the sum of its proper divisors (1).

6945929 is an equidigital number, since it uses as much as digits as its factorization.

6945929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 44.

The square root of 6945929 is about 2635.5130430336. The cubic root of 6945929 is about 190.7993012587.

The spelling of 6945929 in words is "six million, nine hundred forty-five thousand, nine hundred twenty-nine".