13383628474 has 4 divisors (see below), whose sum is σ = 20075442714. Its totient is φ = 6691814236.

The previous prime is 13383628429. The next prime is 13383628477. The reversal of 13383628474 is 47482638331.

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., 7360782025 + 6022846449 = 85795^2 + 77607^2 .

It is a super-2 number, since 2×13383628474² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13383628477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3345907117 + ... + 3345907120.

Almost surely, 2^13383628474 is an apocalyptic number.

13383628474 is a deficient number, since it is larger than the sum of its proper divisors (6691814240).

13383628474 is an equidigital number, since it uses as much as digits as its factorization.

13383628474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691814239.

The product of its digits is 2322432, while the sum is 49.

The spelling of 13383628474 in words is "thirteen billion, three hundred eighty-three million, six hundred twenty-eight thousand, four hundred seventy-four".