14439936247 has 12 divisors (see below), whose sum is σ = 16146260568. Its totient is φ = 12807022400.

The previous prime is 14439936227. The next prime is 14439936263. The reversal of 14439936247 is 74263993441.

It is not a de Polignac number, because 14439936247 - 2²⁷ = 14305718519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14439936194 and 14439936203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14439936227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371968 + ... + 408949.

It is an arithmetic number, because the mean of its divisors is an integer number (1345521714).

Almost surely, 2^14439936247 is an apocalyptic number.

14439936247 is a deficient number, since it is larger than the sum of its proper divisors (1706324321).

14439936247 is an equidigital number, since it uses as much as digits as its factorization.

14439936247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781010 (or 780969 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 52.

The spelling of 14439936247 in words is "fourteen billion, four hundred thirty-nine million, nine hundred thirty-six thousand, two hundred forty-seven".