13118648698 has 4 divisors (see below), whose sum is σ = 19677973050. Its totient is φ = 6559324348.

The previous prime is 13118648693. The next prime is 13118648737. The reversal of 13118648698 is 89684681131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89684681131 = 193 ⋅464687467.

It can be written as a sum of positive squares in only one way, i.e., 11450498049 + 1668150649 = 107007^2 + 40843^2 .

It is not an unprimeable number, because it can be changed into a prime (13118648693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3279662173 + ... + 3279662176.

Almost surely, 2^13118648698 is an apocalyptic number.

13118648698 is a deficient number, since it is larger than the sum of its proper divisors (6559324352).

13118648698 is an equidigital number, since it uses as much as digits as its factorization.

13118648698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6559324351.

The product of its digits is 1990656, while the sum is 55.

The spelling of 13118648698 in words is "thirteen billion, one hundred eighteen million, six hundred forty-eight thousand, six hundred ninety-eight".