85100194259 has 2 divisors, whose sum is σ = 85100194260. Its totient is φ = 85100194258.

The previous prime is 85100194217. The next prime is 85100194303. The reversal of 85100194259 is 95249100158.

It is an a-pointer prime, because the next prime (85100194303) can be obtained adding 85100194259 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85100194259 - 2³² = 80805226963 is a prime.

It is not a weakly prime, because it can be changed into another prime (85100194859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42550097129 + 42550097130.

It is an arithmetic number, because the mean of its divisors is an integer number (42550097130).

Almost surely, 2^85100194259 is an apocalyptic number.

85100194259 is a deficient number, since it is larger than the sum of its proper divisors (1).

85100194259 is an equidigital number, since it uses as much as digits as its factorization.

85100194259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 85100194259 in words is "eighty-five billion, one hundred million, one hundred ninety-four thousand, two hundred fifty-nine".