33775904381973 has 8 divisors (see below), whose sum is σ = 48498734497248. Its totient is φ = 20785171927344.

The previous prime is 33775904381953. The next prime is 33775904381977. The reversal of 33775904381973 is 37918340957733.

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

It is not a de Polignac number, because 33775904381973 - 2²² = 33775900187669 is a prime.

It is a super-2 number, since 2×33775904381973² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33775904381898 and 33775904381907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33775904381977) 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 7 ways as a sum of consecutive naturals, for example, 433024415115 + ... + 433024415192.

It is an arithmetic number, because the mean of its divisors is an integer number (6062341812156).

Almost surely, 2^{33775904381973} is an apocalyptic number.

It is an amenable number.

33775904381973 is a deficient number, since it is larger than the sum of its proper divisors (14722830115275).

33775904381973 is a wasteful number, since it uses less digits than its factorization.

33775904381973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866048830323.

The product of its (nonzero) digits is 360067680, while the sum is 69.

The spelling of 33775904381973 in words is "thirty-three trillion, seven hundred seventy-five billion, nine hundred four million, three hundred eighty-one thousand, nine hundred seventy-three".