14897878489729 has 9 divisors (see below), whose sum is σ = 14982266637793. Its totient is φ = 14813963077972.

The previous prime is 14897878489691. The next prime is 14897878489733. The reversal of 14897878489729 is 92798487879841.

It is a happy number.

The square root of 14897878489729 is 3859777.

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

It is not a de Polignac number, because 14897878489729 - 2²⁵ = 14897844935297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14897878489829) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 690889302 + ... + 690910864.

Almost surely, 2^{14897878489729} is an apocalyptic number.

14897878489729 is the 3859777-th square number.

14897878489729 is the 1929889-th centered octagonal number.

It is an amenable number.

14897878489729 is a deficient number, since it is larger than the sum of its proper divisors (84388148064).

14897878489729 is an frugal number, since it uses more digits than its factorization.

14897878489729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43484 (or 21742 counting only the distinct ones).

The product of its digits is 32774160384, while the sum is 91.

The spelling of 14897878489729 in words is "fourteen trillion, eight hundred ninety-seven billion, eight hundred seventy-eight million, four hundred eighty-nine thousand, seven hundred twenty-nine".