33956984973 has 32 divisors (see below), whose sum is σ = 47816006400. Its totient is φ = 21392211456.

The previous prime is 33956984959. The next prime is 33956984977. The reversal of 33956984973 is 37948965933.

It is not a de Polignac number, because 33956984973 - 2⁶ = 33956984909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33956984977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13932711 + ... + 13935147.

It is an arithmetic number, because the mean of its divisors is an integer number (1494250200).

Almost surely, 2^33956984973 is an apocalyptic number.

It is an amenable number.

33956984973 is a deficient number, since it is larger than the sum of its proper divisors (13859021427).

33956984973 is a wasteful number, since it uses less digits than its factorization.

33956984973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821.

The product of its digits is 132269760, while the sum is 66.

The spelling of 33956984973 in words is "thirty-three billion, nine hundred fifty-six million, nine hundred eighty-four thousand, nine hundred seventy-three".