71813199307 has 2 divisors, whose sum is σ = 71813199308. Its totient is φ = 71813199306.

The previous prime is 71813199247. The next prime is 71813199371. The reversal of 71813199307 is 70399131817.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71813199307 - 2⁷ = 71813199179 is a prime.

It is not a weakly prime, because it can be changed into another prime (71813199377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35906599653 + 35906599654.

It is an arithmetic number, because the mean of its divisors is an integer number (35906599654).

Almost surely, 2^71813199307 is an apocalyptic number.

71813199307 is a deficient number, since it is larger than the sum of its proper divisors (1).

71813199307 is an equidigital number, since it uses as much as digits as its factorization.

71813199307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 49.

The spelling of 71813199307 in words is "seventy-one billion, eight hundred thirteen million, one hundred ninety-nine thousand, three hundred seven".