33049475811 has 24 divisors (see below), whose sum is σ = 52488044544. Its totient is φ = 19872261360.

The previous prime is 33049475803. The next prime is 33049475861. The reversal of 33049475811 is 11857494033.

It is not a de Polignac number, because 33049475811 - 2³ = 33049475803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33049475861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1301731 + ... + 1326876.

It is an arithmetic number, because the mean of its divisors is an integer number (2187001856).

Almost surely, 2^33049475811 is an apocalyptic number.

33049475811 is a deficient number, since it is larger than the sum of its proper divisors (19438568733).

33049475811 is a wasteful number, since it uses less digits than its factorization.

33049475811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628751 (or 2628748 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 33049475811 in words is "thirty-three billion, forty-nine million, four hundred seventy-five thousand, eight hundred eleven".