13444351532 has 24 divisors (see below), whose sum is σ = 23623283376. Its totient is φ = 6694878528.

The previous prime is 13444351523. The next prime is 13444351549. The reversal of 13444351532 is 23515344431.

It is a super-3 number, since 3×13444351532³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13444351492 and 13444351501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1829738 + ... + 1837070.

It is an arithmetic number, because the mean of its divisors is an integer number (984303474).

Almost surely, 2^13444351532 is an apocalyptic number.

It is an amenable number.

13444351532 is a deficient number, since it is larger than the sum of its proper divisors (10178931844).

13444351532 is a wasteful number, since it uses less digits than its factorization.

13444351532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9137 (or 9135 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

Adding to 13444351532 its reverse (23515344431), we get a palindrome (36959695963).

The spelling of 13444351532 in words is "thirteen billion, four hundred forty-four million, three hundred fifty-one thousand, five hundred thirty-two".