13152444663 has 4 divisors (see below), whose sum is σ = 17536592888. Its totient is φ = 8768296440.

The previous prime is 13152444623. The next prime is 13152444677. The reversal of 13152444663 is 36644425131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13152444663 - 2¹⁷ = 13152313591 is a prime.

It is a super-2 number, since 2×13152444663² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13152444623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2192074108 + ... + 2192074113.

It is an arithmetic number, because the mean of its divisors is an integer number (4384148222).

Almost surely, 2^13152444663 is an apocalyptic number.

13152444663 is a deficient number, since it is larger than the sum of its proper divisors (4384148225).

13152444663 is an equidigital number, since it uses as much as digits as its factorization.

13152444663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384148224.

The product of its digits is 207360, while the sum is 39.

Adding to 13152444663 its reverse (36644425131), we get a palindrome (49796869794).

The spelling of 13152444663 in words is "thirteen billion, one hundred fifty-two million, four hundred forty-four thousand, six hundred sixty-three".