6613813867 has 2 divisors, whose sum is σ = 6613813868. Its totient is φ = 6613813866.

The previous prime is 6613813859. The next prime is 6613813879. The reversal of 6613813867 is 7683183166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6613813867 - 2³ = 6613813859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6613813867.

It is not a weakly prime, because it can be changed into another prime (6613813837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3306906933 + 3306906934.

It is an arithmetic number, because the mean of its divisors is an integer number (3306906934).

Almost surely, 2^6613813867 is an apocalyptic number.

6613813867 is a deficient number, since it is larger than the sum of its proper divisors (1).

6613813867 is an equidigital number, since it uses as much as digits as its factorization.

6613813867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 6613813867 is about 81325.3580809823. The cubic root of 6613813867 is about 1877.0852171566.

The spelling of 6613813867 in words is "six billion, six hundred thirteen million, eight hundred thirteen thousand, eight hundred sixty-seven".