6994111393 has 2 divisors, whose sum is σ = 6994111394. Its totient is φ = 6994111392.

The previous prime is 6994111387. The next prime is 6994111429. The reversal of 6994111393 is 3931114996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5508163089 + 1485948304 = 74217^2 + 38548^2 .

It is a cyclic number.

It is not a de Polignac number, because 6994111393 - 2²⁵ = 6960556961 is a prime.

It is not a weakly prime, because it can be changed into another prime (6994111693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3497055696 + 3497055697.

It is an arithmetic number, because the mean of its divisors is an integer number (3497055697).

Almost surely, 2^6994111393 is an apocalyptic number.

It is an amenable number.

6994111393 is a deficient number, since it is larger than the sum of its proper divisors (1).

6994111393 is an equidigital number, since it uses as much as digits as its factorization.

6994111393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 46.

The square root of 6994111393 is about 83630.8040915547. The cubic root of 6994111393 is about 1912.3946275292.

The spelling of 6994111393 in words is "six billion, nine hundred ninety-four million, one hundred eleven thousand, three hundred ninety-three".