13530322402 has 4 divisors (see below), whose sum is σ = 20295483606. Its totient is φ = 6765161200.

The previous prime is 13530322397. The next prime is 13530322453. The reversal of 13530322402 is 20422303531.

13530322402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20422303531 = 7 ⋅2917471933.

It can be written as a sum of positive squares in only one way, i.e., 13259752801 + 270569601 = 115151^2 + 16449^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382580599 + ... + 3382580602.

Almost surely, 2^13530322402 is an apocalyptic number.

13530322402 is a deficient number, since it is larger than the sum of its proper divisors (6765161204).

13530322402 is an equidigital number, since it uses as much as digits as its factorization.

13530322402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765161203.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 13530322402 its reverse (20422303531), we get a palindrome (33952625933).

The spelling of 13530322402 in words is "thirteen billion, five hundred thirty million, three hundred twenty-two thousand, four hundred two".