6699530947 has 2 divisors, whose sum is σ = 6699530948. Its totient is φ = 6699530946.

The previous prime is 6699530927. The next prime is 6699530953. The reversal of 6699530947 is 7490359966.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6699530947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6699530891 and 6699530900.

It is not a weakly prime, because it can be changed into another prime (6699530927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3349765473 + 3349765474.

It is an arithmetic number, because the mean of its divisors is an integer number (3349765474).

Almost surely, 2^6699530947 is an apocalyptic number.

6699530947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6699530947 is an equidigital number, since it uses as much as digits as its factorization.

6699530947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11022480, while the sum is 58.

The square root of 6699530947 is about 81850.6624713569. The cubic root of 6699530947 is about 1885.1596369387.

The spelling of 6699530947 in words is "six billion, six hundred ninety-nine million, five hundred thirty thousand, nine hundred forty-seven".