33021963933 has 16 divisors (see below), whose sum is σ = 51942383616. Its totient is φ = 18260993520.

The previous prime is 33021963929. The next prime is 33021963943. The reversal of 33021963933 is 33936912033.

It is not a de Polignac number, because 33021963933 - 2² = 33021963929 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33021963943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25361841 + ... + 25363142.

It is an arithmetic number, because the mean of its divisors is an integer number (3246398976).

Almost surely, 2^33021963933 is an apocalyptic number.

It is an amenable number.

33021963933 is a deficient number, since it is larger than the sum of its proper divisors (18920419683).

33021963933 is a wasteful number, since it uses less digits than its factorization.

33021963933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50725024.

The product of its (nonzero) digits is 236196, while the sum is 42.

The spelling of 33021963933 in words is "thirty-three billion, twenty-one million, nine hundred sixty-three thousand, nine hundred thirty-three".