85341233849 has 2 divisors, whose sum is σ = 85341233850. Its totient is φ = 85341233848.

The previous prime is 85341233833. The next prime is 85341233903. The reversal of 85341233849 is 94833214358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69554567824 + 15786666025 = 263732^2 + 125645^2 .

It is a cyclic number.

It is not a de Polignac number, because 85341233849 - 2⁴ = 85341233833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85341233797 and 85341233806.

It is not a weakly prime, because it can be changed into another prime (85341233449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42670616924 + 42670616925.

It is an arithmetic number, because the mean of its divisors is an integer number (42670616925).

Almost surely, 2^85341233849 is an apocalyptic number.

It is an amenable number.

85341233849 is a deficient number, since it is larger than the sum of its proper divisors (1).

85341233849 is an equidigital number, since it uses as much as digits as its factorization.

85341233849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 50.

The spelling of 85341233849 in words is "eighty-five billion, three hundred forty-one million, two hundred thirty-three thousand, eight hundred forty-nine".