13336249128497 has 4 divisors (see below), whose sum is σ = 13339352751396. Its totient is φ = 13333145505600.

The previous prime is 13336249128463. The next prime is 13336249128523. The reversal of 13336249128497 is 79482194263331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9161251883536 + 4174997244961 = 3026756^2 + 2043281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13336249128497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13336249128427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551805004 + ... + 1551813597.

It is an arithmetic number, because the mean of its divisors is an integer number (3334838187849).

Almost surely, 2^{13336249128497} is an apocalyptic number.

It is an amenable number.

13336249128497 is a deficient number, since it is larger than the sum of its proper divisors (3103622899).

13336249128497 is an equidigital number, since it uses as much as digits as its factorization.

13336249128497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103622898.

The product of its digits is 47029248, while the sum is 62.

The spelling of 13336249128497 in words is "thirteen trillion, three hundred thirty-six billion, two hundred forty-nine million, one hundred twenty-eight thousand, four hundred ninety-seven".