13529938493 has 8 divisors (see below), whose sum is σ = 13633969440. Its totient is φ = 13426003440.

The previous prime is 13529938453. The next prime is 13529938507. The reversal of 13529938493 is 39483992531.

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

It is a cyclic number.

It is not a de Polignac number, because 13529938493 - 2¹⁰ = 13529937469 is a prime.

It is a super-2 number, since 2×13529938493² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13529938403) 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, 273371 + ... + 319047.

It is an arithmetic number, because the mean of its divisors is an integer number (1704246180).

Almost surely, 2^13529938493 is an apocalyptic number.

It is an amenable number.

13529938493 is a deficient number, since it is larger than the sum of its proper divisors (104030947).

13529938493 is a wasteful number, since it uses less digits than its factorization.

13529938493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47947.

The product of its digits is 6298560, while the sum is 56.

The spelling of 13529938493 in words is "thirteen billion, five hundred twenty-nine million, nine hundred thirty-eight thousand, four hundred ninety-three".