2011933965 has 16 divisors (see below), whose sum is σ = 3219652800. Its totient is φ = 1072845312.

The previous prime is 2011933933. The next prime is 2011933981. The reversal of 2011933965 is 5693391102.

It is not a de Polignac number, because 2011933965 - 2⁵ = 2011933933 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151566 + ... + 164304.

It is an arithmetic number, because the mean of its divisors is an integer number (201228300).

Almost surely, 2^2011933965 is an apocalyptic number.

It is an amenable number.

2011933965 is a deficient number, since it is larger than the sum of its proper divisors (1207718835).

2011933965 is a wasteful number, since it uses less digits than its factorization.

2011933965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23276.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 2011933965 is about 44854.5868891912. The cubic root of 2011933965 is about 1262.4220576004.

The spelling of 2011933965 in words is "two billion, eleven million, nine hundred thirty-three thousand, nine hundred sixty-five".