6699065039 has 2 divisors, whose sum is σ = 6699065040. Its totient is φ = 6699065038.

The previous prime is 6699065027. The next prime is 6699065089. The reversal of 6699065039 is 9305609966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6699065039 - 2¹² = 6699060943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6699065089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3349532519 + 3349532520.

It is an arithmetic number, because the mean of its divisors is an integer number (3349532520).

Almost surely, 2^6699065039 is an apocalyptic number.

6699065039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6699065039 is an equidigital number, since it uses as much as digits as its factorization.

6699065039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2361960, while the sum is 53.

The square root of 6699065039 is about 81847.8163361736. The cubic root of 6699065039 is about 1885.1159358038.

The spelling of 6699065039 in words is "six billion, six hundred ninety-nine million, sixty-five thousand, thirty-nine".