13468619698561 has 4 divisors (see below), whose sum is σ = 14054211859392. Its totient is φ = 12883027537732.

The previous prime is 13468619698553. The next prime is 13468619698571. The reversal of 13468619698561 is 16589691686431.

It is a happy number.

13468619698561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13468619698561 - 2³ = 13468619698553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13468619698511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292796080381 + ... + 292796080426.

It is an arithmetic number, because the mean of its divisors is an integer number (3513552964848).

Almost surely, 2^{13468619698561} is an apocalyptic number.

It is an amenable number.

13468619698561 is a deficient number, since it is larger than the sum of its proper divisors (585592160831).

13468619698561 is an equidigital number, since it uses as much as digits as its factorization.

13468619698561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585592160830.

The product of its digits is 403107840, while the sum is 73.

The spelling of 13468619698561 in words is "thirteen trillion, four hundred sixty-eight billion, six hundred nineteen million, six hundred ninety-eight thousand, five hundred sixty-one".