6839393629 has 2 divisors, whose sum is σ = 6839393630. Its totient is φ = 6839393628.

The previous prime is 6839393621. The next prime is 6839393657. The reversal of 6839393629 is 9263939386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5479996729 + 1359396900 = 74027^2 + 36870^2 .

It is a cyclic number.

It is not a de Polignac number, because 6839393629 - 2³ = 6839393621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6839393621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419696814 + 3419696815.

It is an arithmetic number, because the mean of its divisors is an integer number (3419696815).

Almost surely, 2^6839393629 is an apocalyptic number.

It is an amenable number.

6839393629 is a deficient number, since it is larger than the sum of its proper divisors (1).

6839393629 is an equidigital number, since it uses as much as digits as its factorization.

6839393629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11337408, while the sum is 58.

The square root of 6839393629 is about 82700.6265332978. The cubic root of 6839393629 is about 1898.1878963757.

The spelling of 6839393629 in words is "six billion, eight hundred thirty-nine million, three hundred ninety-three thousand, six hundred twenty-nine".