13513023529 has 4 divisors (see below), whose sum is σ = 14307907284. Its totient is φ = 12718139776.

The previous prime is 13513023467. The next prime is 13513023547. The reversal of 13513023529 is 92532031531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92532031531 = 60217 ⋅1536643.

It can be written as a sum of positive squares in 2 ways, for example, as 12213565225 + 1299458304 = 110515^2 + 36048^2 .

It is a cyclic number.

It is not a de Polignac number, because 13513023529 - 2¹¹ = 13513021481 is a prime.

It is a super-2 number, since 2×13513023529² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13513023494 and 13513023503.

It is not an unprimeable number, because it can be changed into a prime (13513023569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397441852 + ... + 397441885.

It is an arithmetic number, because the mean of its divisors is an integer number (3576976821).

Almost surely, 2^13513023529 is an apocalyptic number.

It is an amenable number.

13513023529 is a deficient number, since it is larger than the sum of its proper divisors (794883755).

13513023529 is an equidigital number, since it uses as much as digits as its factorization.

13513023529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794883754.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 13513023529 in words is "thirteen billion, five hundred thirteen million, twenty-three thousand, five hundred twenty-nine".