85713101813 has 2 divisors, whose sum is σ = 85713101814. Its totient is φ = 85713101812.

The previous prime is 85713101779. The next prime is 85713101857. The reversal of 85713101813 is 31810131758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83649943729 + 2063158084 = 289223^2 + 45422^2 .

It is a cyclic number.

It is not a de Polignac number, because 85713101813 - 2²⁰ = 85712053237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85713101863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42856550906 + 42856550907.

It is an arithmetic number, because the mean of its divisors is an integer number (42856550907).

Almost surely, 2^85713101813 is an apocalyptic number.

It is an amenable number.

85713101813 is a deficient number, since it is larger than the sum of its proper divisors (1).

85713101813 is an equidigital number, since it uses as much as digits as its factorization.

85713101813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

The spelling of 85713101813 in words is "eighty-five billion, seven hundred thirteen million, one hundred one thousand, eight hundred thirteen".