890908922473 has 2 divisors, whose sum is σ = 890908922474. Its totient is φ = 890908922472.

The previous prime is 890908922441. The next prime is 890908922509. The reversal of 890908922473 is 374229809098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507929886864 + 382979035609 = 712692^2 + 618853^2 .

It is a cyclic number.

It is not a de Polignac number, because 890908922473 - 2⁵ = 890908922441 is a prime.

It is not a weakly prime, because it can be changed into another prime (890908922873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445454461236 + 445454461237.

It is an arithmetic number, because the mean of its divisors is an integer number (445454461237).

Almost surely, 2^890908922473 is an apocalyptic number.

It is an amenable number.

890908922473 is a deficient number, since it is larger than the sum of its proper divisors (1).

890908922473 is an equidigital number, since it uses as much as digits as its factorization.

890908922473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 890908922473 in words is "eight hundred ninety billion, nine hundred eight million, nine hundred twenty-two thousand, four hundred seventy-three".