13530253446 has 20 divisors (see below), whose sum is σ = 30317790492. Its totient is φ = 4510084428.

The previous prime is 13530253441. The next prime is 13530253487. The reversal of 13530253446 is 64435203531.

13530253446 is a `hidden beast` number, since 1 + 3 + 5 + 302 + 5 + 344 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13530253446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530253441) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41759880 + ... + 41760203.

Almost surely, 2^13530253446 is an apocalyptic number.

13530253446 is an abundant number, since it is smaller than the sum of its proper divisors (16787537046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13530253446 is an equidigital number, since it uses as much as digits as its factorization.

13530253446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83520097 (or 83520088 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 13530253446 its reverse (64435203531), we get a palindrome (77965456977).

The spelling of 13530253446 in words is "thirteen billion, five hundred thirty million, two hundred fifty-three thousand, four hundred forty-six".