13530544397 has 8 divisors (see below), whose sum is σ = 14120606400. Its totient is φ = 12940630560.

The previous prime is 13530544373. The next prime is 13530544429. The reversal of 13530544397 is 79344503531.

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 13530544397 - 2⁸ = 13530544141 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 (13530544597) 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, 175622 + ... + 240632.

It is an arithmetic number, because the mean of its divisors is an integer number (1765075800).

Almost surely, 2^13530544397 is an apocalyptic number.

It is an amenable number.

13530544397 is a deficient number, since it is larger than the sum of its proper divisors (590062003).

13530544397 is an equidigital number, since it uses as much as digits as its factorization.

13530544397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74083.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 13530544397 in words is "thirteen billion, five hundred thirty million, five hundred forty-four thousand, three hundred ninety-seven".