33120747734797 has 4 divisors (see below), whose sum is σ = 33262896866940. Its totient is φ = 32978598602656.

The previous prime is 33120747734779. The next prime is 33120747734831. The reversal of 33120747734797 is 79743774702133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11504673557316 + 21616074177481 = 3391854^2 + 4649309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33120747734797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33120747734897) 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, 71074565722 + ... + 71074566187.

It is an arithmetic number, because the mean of its divisors is an integer number (8315724216735).

Almost surely, 2^{33120747734797} is an apocalyptic number.

It is an amenable number.

33120747734797 is a deficient number, since it is larger than the sum of its proper divisors (142149132143).

33120747734797 is a wasteful number, since it uses less digits than its factorization.

33120747734797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142149132142.

The product of its (nonzero) digits is 130691232, while the sum is 64.

The spelling of 33120747734797 in words is "thirty-three trillion, one hundred twenty billion, seven hundred forty-seven million, seven hundred thirty-four thousand, seven hundred ninety-seven".