7071309899 has 2 divisors, whose sum is σ = 7071309900. Its totient is φ = 7071309898.

The previous prime is 7071309863. The next prime is 7071309929. The reversal of 7071309899 is 9989031707.

It is a strong prime.

It is an emirp because it is prime and its reverse (9989031707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7071309899 - 2³² = 2776342603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7071309899.

It is not a weakly prime, because it can be changed into another prime (7071309499) 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, 3535654949 + 3535654950.

It is an arithmetic number, because the mean of its divisors is an integer number (3535654950).

Almost surely, 2^7071309899 is an apocalyptic number.

7071309899 is a deficient number, since it is larger than the sum of its proper divisors (1).

7071309899 is an equidigital number, since it uses as much as digits as its factorization.

7071309899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 53.

The square root of 7071309899 is about 84091.0809717654. The cubic root of 7071309899 is about 1919.4050076026.

The spelling of 7071309899 in words is "seven billion, seventy-one million, three hundred nine thousand, eight hundred ninety-nine".