13530541546 has 4 divisors (see below), whose sum is σ = 20295812322. Its totient is φ = 6765270772.

The previous prime is 13530541523. The next prime is 13530541547. The reversal of 13530541546 is 64514503531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10626517225 + 2904024321 = 103085^2 + 53889^2 .

It is not an unprimeable number, because it can be changed into a prime (13530541547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382635385 + ... + 3382635388.

Almost surely, 2^13530541546 is an apocalyptic number.

13530541546 is a deficient number, since it is larger than the sum of its proper divisors (6765270776).

13530541546 is an equidigital number, since it uses as much as digits as its factorization.

13530541546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765270775.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 13530541546 in words is "thirteen billion, five hundred thirty million, five hundred forty-one thousand, five hundred forty-six".