13263242535 has 48 divisors (see below), whose sum is σ = 24072781824. Its totient is φ = 7004986272.

The previous prime is 13263242507. The next prime is 13263242557. The reversal of 13263242535 is 53524236231.

13263242535 is a `hidden beast` number, since 1 + 326 + 324 + 2 + 5 + 3 + 5 = 666.

It is not a de Polignac number, because 13263242535 - 2⁹ = 13263242023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13263242535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72154 + ... + 178136.

It is an arithmetic number, because the mean of its divisors is an integer number (501516288).

Almost surely, 2^13263242535 is an apocalyptic number.

13263242535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13263242535 is a deficient number, since it is larger than the sum of its proper divisors (10809539289).

13263242535 is a wasteful number, since it uses less digits than its factorization.

13263242535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106106 (or 106094 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 13263242535 its reverse (53524236231), we get a palindrome (66787478766).

The spelling of 13263242535 in words is "thirteen billion, two hundred sixty-three million, two hundred forty-two thousand, five hundred thirty-five".