99439535263 has 2 divisors, whose sum is σ = 99439535264. Its totient is φ = 99439535262.

The previous prime is 99439535213. The next prime is 99439535339. The reversal of 99439535263 is 36253593499.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (36253593499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99439535263 - 2¹³ = 99439527071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99439535198 and 99439535207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99439535213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49719767631 + 49719767632.

It is an arithmetic number, because the mean of its divisors is an integer number (49719767632).

Almost surely, 2^99439535263 is an apocalyptic number.

99439535263 is a deficient number, since it is larger than the sum of its proper divisors (1).

99439535263 is an equidigital number, since it uses as much as digits as its factorization.

99439535263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23619600, while the sum is 58.

The spelling of 99439535263 in words is "ninety-nine billion, four hundred thirty-nine million, five hundred thirty-five thousand, two hundred sixty-three".