13783053321 has 12 divisors (see below), whose sum is σ = 20956689520. Its totient is φ = 8705086200.

The previous prime is 13783053311. The next prime is 13783053343. The reversal of 13783053321 is 12335038731.

13783053321 is a `hidden beast` number, since 1 + 3 + 78 + 30 + 533 + 21 = 666.

It is not a de Polignac number, because 13783053321 - 2⁹ = 13783052809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13783053311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40301155 + ... + 40301496.

Almost surely, 2^13783053321 is an apocalyptic number.

It is an amenable number.

13783053321 is a deficient number, since it is larger than the sum of its proper divisors (7173636199).

13783053321 is a wasteful number, since it uses less digits than its factorization.

13783053321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80602676 (or 80602673 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 13783053321 in words is "thirteen billion, seven hundred eighty-three million, fifty-three thousand, three hundred twenty-one".