14609798641 has 3 divisors (see below), whose sum is σ = 14609919513. Its totient is φ = 14609677770.

The previous prime is 14609798617. The next prime is 14609798701. The reversal of 14609798641 is 14689790641.

The square root of 14609798641 is 120871.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14689790641 = 107 ⋅137287763.

It is a de Polignac number, because none of the positive numbers 2^k-14609798641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14609798941) 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, 60436 + ... + 181306.

It is an arithmetic number, because the mean of its divisors is an integer number (4869973171).

Almost surely, 2^14609798641 is an apocalyptic number.

14609798641 is the 120871-st square number.

14609798641 is the 60436-th centered octagonal number.

It is an amenable number.

14609798641 is a deficient number, since it is larger than the sum of its proper divisors (120872).

14609798641 is an frugal number, since it uses more digits than its factorization.

14609798641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241742 (or 120871 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 14609798641 in words is "fourteen billion, six hundred nine million, seven hundred ninety-eight thousand, six hundred forty-one".