13530541547 has 2 divisors, whose sum is σ = 13530541548. Its totient is φ = 13530541546.

The previous prime is 13530541523. The next prime is 13530541589. The reversal of 13530541547 is 74514503531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13530541547 - 2⁸ = 13530541291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13530541547.

It is not a weakly prime, because it can be changed into another prime (13530541517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765270773 + 6765270774.

It is an arithmetic number, because the mean of its divisors is an integer number (6765270774).

Almost surely, 2^13530541547 is an apocalyptic number.

13530541547 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530541547 is an equidigital number, since it uses as much as digits as its factorization.

13530541547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 13530541547 in words is "thirteen billion, five hundred thirty million, five hundred forty-one thousand, five hundred forty-seven".