90944918803 has 2 divisors, whose sum is σ = 90944918804. Its totient is φ = 90944918802.

The previous prime is 90944918699. The next prime is 90944918833. The reversal of 90944918803 is 30881944909.

It is a strong prime.

It is an emirp because it is prime and its reverse (30881944909) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90944918803 - 2³³ = 82354984211 is a prime.

It is not a weakly prime, because it can be changed into another prime (90944918833) 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, 45472459401 + 45472459402.

It is an arithmetic number, because the mean of its divisors is an integer number (45472459402).

Almost surely, 2^90944918803 is an apocalyptic number.

90944918803 is a deficient number, since it is larger than the sum of its proper divisors (1).

90944918803 is an equidigital number, since it uses as much as digits as its factorization.

90944918803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 90944918803 in words is "ninety billion, nine hundred forty-four million, nine hundred eighteen thousand, eight hundred three".