90529078093 has 2 divisors, whose sum is σ = 90529078094. Its totient is φ = 90529078092.

The previous prime is 90529078091. The next prime is 90529078139. The reversal of 90529078093 is 39087092509.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90151864009 + 377214084 = 300253^2 + 19422^2 .

It is a cyclic number.

It is not a de Polignac number, because 90529078093 - 2¹ = 90529078091 is a prime.

Together with 90529078091, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 90529078093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90529078091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45264539046 + 45264539047.

It is an arithmetic number, because the mean of its divisors is an integer number (45264539047).

Almost surely, 2^90529078093 is an apocalyptic number.

It is an amenable number.

90529078093 is a deficient number, since it is larger than the sum of its proper divisors (1).

90529078093 is an equidigital number, since it uses as much as digits as its factorization.

90529078093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 90529078093 in words is "ninety billion, five hundred twenty-nine million, seventy-eight thousand, ninety-three".