14728639897069 has 8 divisors (see below), whose sum is σ = 16857742804160. Its totient is φ = 12605789863296.

The previous prime is 14728639897067. The next prime is 14728639897091. The reversal of 14728639897069 is 96079893682741.

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

It is not a de Polignac number, because 14728639897069 - 2¹ = 14728639897067 is a prime.

It is a super-2 number, since 2×14728639897069² (a number of 27 digits) contains 22 as substring.

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 14728639897069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14728639897067) 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, 1563213279 + ... + 1563222700.

It is an arithmetic number, because the mean of its divisors is an integer number (2107217850520).

Almost surely, 2^{14728639897069} is an apocalyptic number.

It is an amenable number.

14728639897069 is a deficient number, since it is larger than the sum of its proper divisors (2129102907091).

14728639897069 is an equidigital number, since it uses as much as digits as its factorization.

14728639897069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126436659.

The product of its (nonzero) digits is 1975228416, while the sum is 79.

The spelling of 14728639897069 in words is "fourteen trillion, seven hundred twenty-eight billion, six hundred thirty-nine million, eight hundred ninety-seven thousand, sixty-nine".