33853085705 has 16 divisors (see below), whose sum is σ = 41030720640. Its totient is φ = 26811285888.

The previous prime is 33853085671. The next prime is 33853085719. The reversal of 33853085705 is 50758035833.

It is a cyclic number.

It is not a de Polignac number, because 33853085705 - 2¹⁸ = 33852823561 is a prime.

It is a super-2 number, since 2×33853085705² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33853085705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2089526 + ... + 2105664.

It is an arithmetic number, because the mean of its divisors is an integer number (2564420040).

Almost surely, 2^33853085705 is an apocalyptic number.

It is an amenable number.

33853085705 is a deficient number, since it is larger than the sum of its proper divisors (7177634935).

33853085705 is a wasteful number, since it uses less digits than its factorization.

33853085705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20320.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 33853085705 in words is "thirty-three billion, eight hundred fifty-three million, eighty-five thousand, seven hundred five".