90336829489 has 2 divisors, whose sum is σ = 90336829490. Its totient is φ = 90336829488.

The previous prime is 90336829421. The next prime is 90336829501. The reversal of 90336829489 is 98492863309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82242768400 + 8094061089 = 286780^2 + 89967^2 .

It is a cyclic number.

It is not a de Polignac number, because 90336829489 - 2⁷ = 90336829361 is a prime.

It is a super-2 number, since 2×90336829489² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90336829189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45168414744 + 45168414745.

It is an arithmetic number, because the mean of its divisors is an integer number (45168414745).

Almost surely, 2^90336829489 is an apocalyptic number.

It is an amenable number.

90336829489 is a deficient number, since it is larger than the sum of its proper divisors (1).

90336829489 is an equidigital number, since it uses as much as digits as its factorization.

90336829489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20155392, while the sum is 61.

The spelling of 90336829489 in words is "ninety billion, three hundred thirty-six million, eight hundred twenty-nine thousand, four hundred eighty-nine".