90190655263 has 2 divisors, whose sum is σ = 90190655264. Its totient is φ = 90190655262.

The previous prime is 90190655221. The next prime is 90190655293. The reversal of 90190655263 is 36255609109.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90190655263 - 2¹⁷ = 90190524191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90190655293) 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, 45095327631 + 45095327632.

It is an arithmetic number, because the mean of its divisors is an integer number (45095327632).

Almost surely, 2^90190655263 is an apocalyptic number.

90190655263 is a deficient number, since it is larger than the sum of its proper divisors (1).

90190655263 is an equidigital number, since it uses as much as digits as its factorization.

90190655263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 437400, while the sum is 46.

The spelling of 90190655263 in words is "ninety billion, one hundred ninety million, six hundred fifty-five thousand, two hundred sixty-three".