6700613849 has 2 divisors, whose sum is σ = 6700613850. Its totient is φ = 6700613848.

The previous prime is 6700613831. The next prime is 6700613917. The reversal of 6700613849 is 9483160076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5766883600 + 933730249 = 75940^2 + 30557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6700613849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6700603849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3350306924 + 3350306925.

It is an arithmetic number, because the mean of its divisors is an integer number (3350306925).

Almost surely, 2^6700613849 is an apocalyptic number.

It is an amenable number.

6700613849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6700613849 is an equidigital number, since it uses as much as digits as its factorization.

6700613849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 6700613849 is about 81857.2773124052. The cubic root of 6700613849 is about 1885.2612029127.

The spelling of 6700613849 in words is "six billion, seven hundred million, six hundred thirteen thousand, eight hundred forty-nine".