33945094121 has 4 divisors (see below), whose sum is σ = 33945475200. Its totient is φ = 33944713044.

The previous prime is 33945094103. The next prime is 33945094153. The reversal of 33945094121 is 12149054933.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 33945094121 - 2¹⁰ = 33945093097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39945094121) 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, 22400 + ... + 261518.

It is an arithmetic number, because the mean of its divisors is an integer number (8486368800).

Almost surely, 2^33945094121 is an apocalyptic number.

It is an amenable number.

33945094121 is a deficient number, since it is larger than the sum of its proper divisors (381079).

33945094121 is a wasteful number, since it uses less digits than its factorization.

33945094121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381078.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 33945094121 in words is "thirty-three billion, nine hundred forty-five million, ninety-four thousand, one hundred twenty-one".