85100488049 has 2 divisors, whose sum is σ = 85100488050. Its totient is φ = 85100488048.

The previous prime is 85100488001. The next prime is 85100488061. The reversal of 85100488049 is 94088400158.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65808667024 + 19291821025 = 256532^2 + 138895^2 .

It is a cyclic number.

It is not a de Polignac number, because 85100488049 - 2²⁸ = 84832052593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85100487994 and 85100488012.

It is not a weakly prime, because it can be changed into another prime (85100488079) 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, 42550244024 + 42550244025.

It is an arithmetic number, because the mean of its divisors is an integer number (42550244025).

Almost surely, 2^85100488049 is an apocalyptic number.

It is an amenable number.

85100488049 is a deficient number, since it is larger than the sum of its proper divisors (1).

85100488049 is an equidigital number, since it uses as much as digits as its factorization.

85100488049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 85100488049 in words is "eighty-five billion, one hundred million, four hundred eighty-eight thousand, forty-nine".