85322000549 has 2 divisors, whose sum is σ = 85322000550. Its totient is φ = 85322000548.

The previous prime is 85322000483. The next prime is 85322000591. The reversal of 85322000549 is 94500022358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57171201025 + 28150799524 = 239105^2 + 167782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85322000549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85322000149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42661000274 + 42661000275.

It is an arithmetic number, because the mean of its divisors is an integer number (42661000275).

Almost surely, 2^85322000549 is an apocalyptic number.

It is an amenable number.

85322000549 is a deficient number, since it is larger than the sum of its proper divisors (1).

85322000549 is an equidigital number, since it uses as much as digits as its factorization.

85322000549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 85322000549 in words is "eighty-five billion, three hundred twenty-two million, five hundred forty-nine", and thus it is an aban number.