13635222345 has 64 divisors (see below), whose sum is σ = 24427872000. Its totient is φ = 7216128000.

The previous prime is 13635222343. The next prime is 13635222397. The reversal of 13635222345 is 54322253631.

13635222345 is a `hidden beast` number, since 13 + 63 + 522 + 23 + 45 = 666.

It is not a de Polignac number, because 13635222345 - 2¹ = 13635222343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13635222343) by changing a digit.

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 in 63 ways as a sum of consecutive naturals, for example, 11825289 + ... + 11826441.

It is an arithmetic number, because the mean of its divisors is an integer number (381685500).

Almost surely, 2^13635222345 is an apocalyptic number.

13635222345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13635222345 is a deficient number, since it is larger than the sum of its proper divisors (10792649655).

13635222345 is a wasteful number, since it uses less digits than its factorization.

13635222345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767 (or 1761 counting only the distinct ones).

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

Adding to 13635222345 its reverse (54322253631), we get a palindrome (67957475976).

The spelling of 13635222345 in words is "thirteen billion, six hundred thirty-five million, two hundred twenty-two thousand, three hundred forty-five".