14439867556 has 9 divisors (see below), whose sum is σ = 25270188811. Its totient is φ = 7219813612.

The previous prime is 14439867553. The next prime is 14439867571. The reversal of 14439867556 is 65576893441.

The square root of 14439867556 is 120166.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14439867556.

It is not an unprimeable number, because it can be changed into a prime (14439867553) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 210291 + ... + 270373.

Almost surely, 2^14439867556 is an apocalyptic number.

14439867556 is the 120166-th square number.

It is an amenable number.

14439867556 is a deficient number, since it is larger than the sum of its proper divisors (10830321255).

14439867556 is an frugal number, since it uses more digits than its factorization.

14439867556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120170 (or 60085 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 14439867556 in words is "fourteen billion, four hundred thirty-nine million, eight hundred sixty-seven thousand, five hundred fifty-six".