13530333541 has 4 divisors (see below), whose sum is σ = 14326235532. Its totient is φ = 12734431552.

The previous prime is 13530333529. The next prime is 13530333547. The reversal of 13530333541 is 14533303531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14533303531 = 421 ⋅34520911.

It can be written as a sum of positive squares in 2 ways, for example, as 11736472225 + 1793861316 = 108335^2 + 42354^2 .

It is a cyclic number.

It is not a de Polignac number, because 13530333541 - 2²¹ = 13528236389 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 (13530333547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397950970 + ... + 397951003.

It is an arithmetic number, because the mean of its divisors is an integer number (3581558883).

Almost surely, 2^13530333541 is an apocalyptic number.

It is an amenable number.

13530333541 is a deficient number, since it is larger than the sum of its proper divisors (795901991).

13530333541 is an equidigital number, since it uses as much as digits as its factorization.

13530333541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795901990.

The product of its (nonzero) digits is 24300, while the sum is 31.

The spelling of 13530333541 in words is "thirteen billion, five hundred thirty million, three hundred thirty-three thousand, five hundred forty-one".