13709785533 has 16 divisors (see below), whose sum is σ = 18798466176. Its totient is φ = 8882216960.

The previous prime is 13709785489. The next prime is 13709785543. The reversal of 13709785533 is 33558790731.

It is a cyclic number.

It is not a de Polignac number, because 13709785533 - 2⁶ = 13709785469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13709785543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185241 + ... + 248462.

It is an arithmetic number, because the mean of its divisors is an integer number (1174904136).

Almost surely, 2^13709785533 is an apocalyptic number.

It is an amenable number.

13709785533 is a deficient number, since it is larger than the sum of its proper divisors (5088680643).

13709785533 is a wasteful number, since it uses less digits than its factorization.

13709785533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434004.

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 13709785533 in words is "thirteen billion, seven hundred nine million, seven hundred eighty-five thousand, five hundred thirty-three".