90999935053 has 2 divisors, whose sum is σ = 90999935054. Its totient is φ = 90999935052.

The previous prime is 90999935027. The next prime is 90999935063. The reversal of 90999935053 is 35053999909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89268293284 + 1731641769 = 298778^2 + 41613^2 .

It is an emirp because it is prime and its reverse (35053999909) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90999935053 is a prime.

It is a super-2 number, since 2×90999935053² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90999934982 and 90999935000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90999935063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45499967526 + 45499967527.

It is an arithmetic number, because the mean of its divisors is an integer number (45499967527).

Almost surely, 2^90999935053 is an apocalyptic number.

It is an amenable number.

90999935053 is a deficient number, since it is larger than the sum of its proper divisors (1).

90999935053 is an equidigital number, since it uses as much as digits as its factorization.

90999935053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13286025, while the sum is 61.

The spelling of 90999935053 in words is "ninety billion, nine hundred ninety-nine million, nine hundred thirty-five thousand, fifty-three".