13621653314 has 8 divisors (see below), whose sum is σ = 20433694908. Its totient is φ = 6810421680.

The previous prime is 13621653313. The next prime is 13621653319. The reversal of 13621653314 is 41335612631.

It can be written as a sum of positive squares in 2 ways, for example, as 12151314289 + 1470339025 = 110233^2 + 38345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13621653313) 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, 158537 + ... + 228860.

Almost surely, 2^13621653314 is an apocalyptic number.

13621653314 is a deficient number, since it is larger than the sum of its proper divisors (6812041594).

13621653314 is a wasteful number, since it uses less digits than its factorization.

13621653314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404980.

The product of its digits is 38880, while the sum is 35.

The spelling of 13621653314 in words is "thirteen billion, six hundred twenty-one million, six hundred fifty-three thousand, three hundred fourteen".