13235493817 has 16 divisors (see below), whose sum is σ = 16317100800. Its totient is φ = 10454513472.

The previous prime is 13235493811. The next prime is 13235493851. The reversal of 13235493817 is 71839453231.

It is not a de Polignac number, because 13235493817 - 2³ = 13235493809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13235493811) 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 in 15 ways as a sum of consecutive naturals, for example, 66898 + ... + 175915.

It is an arithmetic number, because the mean of its divisors is an integer number (1019818800).

Almost surely, 2^13235493817 is an apocalyptic number.

It is an amenable number.

13235493817 is a deficient number, since it is larger than the sum of its proper divisors (3081606983).

13235493817 is a wasteful number, since it uses less digits than its factorization.

13235493817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243432.

The product of its digits is 544320, while the sum is 46.

The spelling of 13235493817 in words is "thirteen billion, two hundred thirty-five million, four hundred ninety-three thousand, eight hundred seventeen".