33945545761 has 4 divisors (see below), whose sum is σ = 33947164672. Its totient is φ = 33943926852.

The previous prime is 33945545743. The next prime is 33945545773. The reversal of 33945545761 is 16754554933.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16754554933 = 37 ⋅452825809.

It is a cyclic number.

It is not a de Polignac number, because 33945545761 - 2⁷ = 33945545633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33945545699 and 33945545708.

It is not an unprimeable number, because it can be changed into a prime (33945545731) 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, 777585 + ... + 820078.

It is an arithmetic number, because the mean of its divisors is an integer number (8486791168).

Almost surely, 2^33945545761 is an apocalyptic number.

It is an amenable number.

33945545761 is a deficient number, since it is larger than the sum of its proper divisors (1618911).

33945545761 is a wasteful number, since it uses less digits than its factorization.

33945545761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618910.

The product of its digits is 6804000, while the sum is 52.

The spelling of 33945545761 in words is "thirty-three billion, nine hundred forty-five million, five hundred forty-five thousand, seven hundred sixty-one".