33820756985373 has 4 divisors (see below), whose sum is σ = 45094342647168. Its totient is φ = 22547171323580.

The previous prime is 33820756985363. The next prime is 33820756985377. The reversal of 33820756985373 is 37358965702833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33820756985373 - 2⁴ = 33820756985357 is a prime.

It is a super-2 number, since 2×33820756985373² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33820756985298 and 33820756985307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33820756985377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5636792830893 + ... + 5636792830898.

It is an arithmetic number, because the mean of its divisors is an integer number (11273585661792).

Almost surely, 2^{33820756985373} is an apocalyptic number.

It is an amenable number.

33820756985373 is a deficient number, since it is larger than the sum of its proper divisors (11273585661795).

33820756985373 is a wasteful number, since it uses less digits than its factorization.

33820756985373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11273585661794.

The product of its (nonzero) digits is 685843200, while the sum is 69.

The spelling of 33820756985373 in words is "thirty-three trillion, eight hundred twenty billion, seven hundred fifty-six million, nine hundred eighty-five thousand, three hundred seventy-three".