13443229987 has 16 divisors (see below), whose sum is σ = 14819109984. Its totient is φ = 12093120000.

The previous prime is 13443229967. The next prime is 13443230023. The reversal of 13443229987 is 78992234431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13443229987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13443229907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3465493 + ... + 3469369.

It is an arithmetic number, because the mean of its divisors is an integer number (926194374).

Almost surely, 2^13443229987 is an apocalyptic number.

13443229987 is a deficient number, since it is larger than the sum of its proper divisors (1375879997).

13443229987 is a wasteful number, since it uses less digits than its factorization.

13443229987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110.

The product of its digits is 2612736, while the sum is 52.

The spelling of 13443229987 in words is "thirteen billion, four hundred forty-three million, two hundred twenty-nine thousand, nine hundred eighty-seven".