90830383639 has 2 divisors, whose sum is σ = 90830383640. Its totient is φ = 90830383638.

The previous prime is 90830383603. The next prime is 90830383697. The reversal of 90830383639 is 93638303809.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90830383639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90830383739) 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, 45415191819 + 45415191820.

It is an arithmetic number, because the mean of its divisors is an integer number (45415191820).

Almost surely, 2^90830383639 is an apocalyptic number.

90830383639 is a deficient number, since it is larger than the sum of its proper divisors (1).

90830383639 is an equidigital number, since it uses as much as digits as its factorization.

90830383639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 52.

The spelling of 90830383639 in words is "ninety billion, eight hundred thirty million, three hundred eighty-three thousand, six hundred thirty-nine".