90201253220093 has 2 divisors, whose sum is σ = 90201253220094. Its totient is φ = 90201253220092.

The previous prime is 90201253220083. The next prime is 90201253220123. The reversal of 90201253220093 is 39002235210209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86515632698884 + 3685620521209 = 9301378^2 + 1919797^2 .

It is a cyclic number.

It is not a de Polignac number, because 90201253220093 - 2²⁰ = 90201252171517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90201253220033) 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, 45100626610046 + 45100626610047.

It is an arithmetic number, because the mean of its divisors is an integer number (45100626610047).

Almost surely, 2^{90201253220093} is an apocalyptic number.

It is an amenable number.

90201253220093 is a deficient number, since it is larger than the sum of its proper divisors (1).

90201253220093 is an equidigital number, since it uses as much as digits as its factorization.

90201253220093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 90201253220093 in words is "ninety trillion, two hundred one billion, two hundred fifty-three million, two hundred twenty thousand, ninety-three".