90314216843 has 2 divisors, whose sum is σ = 90314216844. Its totient is φ = 90314216842.

The previous prime is 90314216753. The next prime is 90314216849. The reversal of 90314216843 is 34861241309.

It is a strong prime.

It is an emirp because it is prime and its reverse (34861241309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90314216843 - 2¹⁸ = 90313954699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90314216843.

It is not a weakly prime, because it can be changed into another prime (90314216849) 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, 45157108421 + 45157108422.

It is an arithmetic number, because the mean of its divisors is an integer number (45157108422).

Almost surely, 2^90314216843 is an apocalyptic number.

90314216843 is a deficient number, since it is larger than the sum of its proper divisors (1).

90314216843 is an equidigital number, since it uses as much as digits as its factorization.

90314216843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 90314216843 in words is "ninety billion, three hundred fourteen million, two hundred sixteen thousand, eight hundred forty-three".