13621048306 has 4 divisors (see below), whose sum is σ = 20431572462. Its totient is φ = 6810524152.

The previous prime is 13621048297. The next prime is 13621048327. The reversal of 13621048306 is 60384012631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60384012631 = 17 ⋅3552000743.

It can be written as a sum of positive squares in only one way, i.e., 12795003225 + 826045081 = 113115^2 + 28741^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405262075 + ... + 3405262078.

Almost surely, 2^13621048306 is an apocalyptic number.

13621048306 is a deficient number, since it is larger than the sum of its proper divisors (6810524156).

13621048306 is an equidigital number, since it uses as much as digits as its factorization.

13621048306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810524155.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 13621048306 in words is "thirteen billion, six hundred twenty-one million, forty-eight thousand, three hundred six".