13696948618 has 4 divisors (see below), whose sum is σ = 20545422930. Its totient is φ = 6848474308.

The previous prime is 13696948613. The next prime is 13696948631. The reversal of 13696948618 is 81684969631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13646211489 + 50737129 = 116817^2 + 7123^2 .

It is not an unprimeable number, because it can be changed into a prime (13696948613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3424237153 + ... + 3424237156.

Almost surely, 2^13696948618 is an apocalyptic number.

13696948618 is a deficient number, since it is larger than the sum of its proper divisors (6848474312).

13696948618 is an equidigital number, since it uses as much as digits as its factorization.

13696948618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6848474311.

The product of its digits is 13436928, while the sum is 61.

The spelling of 13696948618 in words is "thirteen billion, six hundred ninety-six million, nine hundred forty-eight thousand, six hundred eighteen".