14439435987 has 8 divisors (see below), whose sum is σ = 19258430400. Its totient is φ = 9623366120.

The previous prime is 14439435973. The next prime is 14439436019. The reversal of 14439435987 is 78953493441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14439435987 - 2⁴ = 14439435971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14439435587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719589 + ... + 739382.

It is an arithmetic number, because the mean of its divisors is an integer number (2407303800).

Almost surely, 2^14439435987 is an apocalyptic number.

14439435987 is a deficient number, since it is larger than the sum of its proper divisors (4818994413).

14439435987 is a wasteful number, since it uses less digits than its factorization.

14439435987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462273.

The product of its digits is 13063680, while the sum is 57.

The spelling of 14439435987 in words is "fourteen billion, four hundred thirty-nine million, four hundred thirty-five thousand, nine hundred eighty-seven".