13158743549 has 8 divisors (see below), whose sum is σ = 15358533888. Its totient is φ = 11038945680.

The previous prime is 13158743471. The next prime is 13158743561. The reversal of 13158743549 is 94534785131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13158743549 - 2¹² = 13158739453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13158743497 and 13158743506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13158743249) 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 7 ways as a sum of consecutive naturals, for example, 19997762 + ... + 19998419.

It is an arithmetic number, because the mean of its divisors is an integer number (1919816736).

Almost surely, 2^13158743549 is an apocalyptic number.

It is an amenable number.

13158743549 is a deficient number, since it is larger than the sum of its proper divisors (2199790339).

13158743549 is an equidigital number, since it uses as much as digits as its factorization.

13158743549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39996235.

The product of its digits is 1814400, while the sum is 50.

The spelling of 13158743549 in words is "thirteen billion, one hundred fifty-eight million, seven hundred forty-three thousand, five hundred forty-nine".