13283817645 has 32 divisors (see below), whose sum is σ = 24652965888. Its totient is φ = 5981963328.

The previous prime is 13283817611. The next prime is 13283817649. The reversal of 13283817645 is 54671838231.

It is not a de Polignac number, because 13283817645 - 2⁹ = 13283817133 is a prime.

It is a super-3 number, since 3×13283817645³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13283817594 and 13283817603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13283817649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 937089 + ... + 951158.

It is an arithmetic number, because the mean of its divisors is an integer number (770405184).

Almost surely, 2^13283817645 is an apocalyptic number.

13283817645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13283817645 is a deficient number, since it is larger than the sum of its proper divisors (11369148243).

13283817645 is a wasteful number, since it uses less digits than its factorization.

13283817645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888329.

The product of its digits is 967680, while the sum is 48.

The spelling of 13283817645 in words is "thirteen billion, two hundred eighty-three million, eight hundred seventeen thousand, six hundred forty-five".