13363220451 has 16 divisors (see below), whose sum is σ = 20384400384. Its totient is φ = 7628101824.

The previous prime is 13363220449. The next prime is 13363220459. The reversal of 13363220451 is 15402236331.

13363220451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13363220451 - 2¹ = 13363220449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13363220459) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 313851 + ... + 353876.

It is an arithmetic number, because the mean of its divisors is an integer number (1274025024).

Almost surely, 2^13363220451 is an apocalyptic number.

13363220451 is a deficient number, since it is larger than the sum of its proper divisors (7021179933).

13363220451 is an equidigital number, since it uses as much as digits as its factorization.

13363220451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668690.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 13363220451 its reverse (15402236331), we get a palindrome (28765456782).

The spelling of 13363220451 in words is "thirteen billion, three hundred sixty-three million, two hundred twenty thousand, four hundred fifty-one".