13281296698 has 4 divisors (see below), whose sum is σ = 19921945050. Its totient is φ = 6640648348.

The previous prime is 13281296671. The next prime is 13281296711. The reversal of 13281296698 is 89669218231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89669218231 = 189271 ⋅473761.

It can be written as a sum of positive squares in only one way, i.e., 7602619249 + 5678677449 = 87193^2 + 75357^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3320324173 + ... + 3320324176.

Almost surely, 2^13281296698 is an apocalyptic number.

13281296698 is a deficient number, since it is larger than the sum of its proper divisors (6640648352).

13281296698 is an equidigital number, since it uses as much as digits as its factorization.

13281296698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6640648351.

The product of its digits is 2239488, while the sum is 55.

The spelling of 13281296698 in words is "thirteen billion, two hundred eighty-one million, two hundred ninety-six thousand, six hundred ninety-eight".