6329091913 has 2 divisors, whose sum is σ = 6329091914. Its totient is φ = 6329091912.

The previous prime is 6329091893. The next prime is 6329091931. The reversal of 6329091913 is 3191909236.

6329091913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (6329091931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6069656464 + 259435449 = 77908^2 + 16107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6329091913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6329091913.

It is not a weakly prime, because it can be changed into another prime (6329091973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3164545956 + 3164545957.

It is an arithmetic number, because the mean of its divisors is an integer number (3164545957).

Almost surely, 2^6329091913 is an apocalyptic number.

It is an amenable number.

6329091913 is a deficient number, since it is larger than the sum of its proper divisors (1).

6329091913 is an equidigital number, since it uses as much as digits as its factorization.

6329091913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 6329091913 is about 79555.5900801446. The cubic root of 6329091913 is about 1849.7532578643.

The spelling of 6329091913 in words is "six billion, three hundred twenty-nine million, ninety-one thousand, nine hundred thirteen".