13354748521 has 8 divisors (see below), whose sum is σ = 13740831104. Its totient is φ = 12972098160.

The previous prime is 13354748507. The next prime is 13354748549. The reversal of 13354748521 is 12584745331.

It is a happy number.

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 13354748521 - 2⁵ = 13354748489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13354748581) 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 7 ways as a sum of consecutive naturals, for example, 850161 + ... + 865726.

It is an arithmetic number, because the mean of its divisors is an integer number (1717603888).

Almost surely, 2^13354748521 is an apocalyptic number.

It is an amenable number.

13354748521 is a deficient number, since it is larger than the sum of its proper divisors (386082583).

13354748521 is a wasteful number, since it uses less digits than its factorization.

13354748521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716111.

The product of its digits is 403200, while the sum is 43.

The spelling of 13354748521 in words is "thirteen billion, three hundred fifty-four million, seven hundred forty-eight thousand, five hundred twenty-one".