890322545223073 has 2 divisors, whose sum is σ = 890322545223074. Its totient is φ = 890322545223072.

The previous prime is 890322545222953. The next prime is 890322545223103. The reversal of 890322545223073 is 370322545223098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883385811345249 + 6936733877824 = 29721807^2 + 2633768^2 .

It is a cyclic number.

It is not a de Polignac number, because 890322545223073 - 2³⁷ = 890185106269601 is a prime.

It is a super-2 number, since 2×890322545223073² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (890322545223173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445161272611536 + 445161272611537.

It is an arithmetic number, because the mean of its divisors is an integer number (445161272611537).

Almost surely, 2^{890322545223073} is an apocalyptic number.

It is an amenable number.

890322545223073 is a deficient number, since it is larger than the sum of its proper divisors (1).

890322545223073 is an equidigital number, since it uses as much as digits as its factorization.

890322545223073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21772800, while the sum is 55.

The spelling of 890322545223073 in words is "eight hundred ninety trillion, three hundred twenty-two billion, five hundred forty-five million, two hundred twenty-three thousand, seventy-three".