15414339689 has 6 divisors (see below), whose sum is σ = 17930966634. Its totient is φ = 13212291120.

The previous prime is 15414339593. The next prime is 15414339691. The reversal of 15414339689 is 98693341451.

It can be written as a sum of positive squares in only one way, i.e., 13902296464 + 1512043225 = 117908^2 + 38885^2 .

It is a de Polignac number, because none of the positive numbers 2^k-15414339689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15414339689.

It is not an unprimeable number, because it can be changed into a prime (15414339089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157289132 + ... + 157289229.

It is an arithmetic number, because the mean of its divisors is an integer number (2988494439).

Almost surely, 2^15414339689 is an apocalyptic number.

It is an amenable number.

15414339689 is a deficient number, since it is larger than the sum of its proper divisors (2516626945).

15414339689 is an equidigital number, since it uses as much as digits as its factorization.

15414339689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314578375 (or 314578368 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The spelling of 15414339689 in words is "fifteen billion, four hundred fourteen million, three hundred thirty-nine thousand, six hundred eighty-nine".