33684374057 has 8 divisors (see below), whose sum is σ = 34209063720. Its totient is φ = 33162933760.

The previous prime is 33684374027. The next prime is 33684374063. The reversal of 33684374057 is 75047348633.

It can be written as a sum of positive squares in 4 ways, for example, as 2280635536 + 31403738521 = 47756^2 + 177211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33684374057 is a prime.

It is a super-2 number, since 2×33684374057² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33684373996 and 33684374014.

It is not an unprimeable number, because it can be changed into a prime (33684374027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791444 + ... + 832917.

It is an arithmetic number, because the mean of its divisors is an integer number (4276132965).

Almost surely, 2^33684374057 is an apocalyptic number.

It is an amenable number.

33684374057 is a deficient number, since it is larger than the sum of its proper divisors (524689663).

33684374057 is a wasteful number, since it uses less digits than its factorization.

33684374057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624683.

The product of its (nonzero) digits is 5080320, while the sum is 50.

The spelling of 33684374057 in words is "thirty-three billion, six hundred eighty-four million, three hundred seventy-four thousand, fifty-seven".