13044935673157 has 4 divisors (see below), whose sum is σ = 13045989992140. Its totient is φ = 13043881354176.

The previous prime is 13044935673109. The next prime is 13044935673167. The reversal of 13044935673157 is 75137653944031.

It is a happy number.

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 7102256980036 + 5942678693121 = 2665006^2 + 2437761^2 .

It is a cyclic number.

It is not a de Polignac number, because 13044935673157 - 2¹¹ = 13044935671109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044935673167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527140932 + ... + 527165677.

It is an arithmetic number, because the mean of its divisors is an integer number (3261497498035).

Almost surely, 2^{13044935673157} is an apocalyptic number.

It is an amenable number.

13044935673157 is a deficient number, since it is larger than the sum of its proper divisors (1054318983).

13044935673157 is a wasteful number, since it uses less digits than its factorization.

13044935673157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054318982.

The product of its (nonzero) digits is 28576800, while the sum is 58.

The spelling of 13044935673157 in words is "thirteen trillion, forty-four billion, nine hundred thirty-five million, six hundred seventy-three thousand, one hundred fifty-seven".