2090557663 has 2 divisors, whose sum is σ = 2090557664. Its totient is φ = 2090557662.

The previous prime is 2090557661. The next prime is 2090557687. The reversal of 2090557663 is 3667550902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2090557663 - 2¹ = 2090557661 is a prime.

Together with 2090557661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2090557661) 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, 1045278831 + 1045278832.

It is an arithmetic number, because the mean of its divisors is an integer number (1045278832).

Almost surely, 2^2090557663 is an apocalyptic number.

2090557663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090557663 is an equidigital number, since it uses as much as digits as its factorization.

2090557663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 43.

The square root of 2090557663 is about 45722.6165371143. The cubic root of 2090557663 is about 1278.6569700320.

The spelling of 2090557663 in words is "two billion, ninety million, five hundred fifty-seven thousand, six hundred sixty-three".