33964605013 has 4 divisors (see below), whose sum is σ = 33996557728. Its totient is φ = 33932652300.

The previous prime is 33964604977. The next prime is 33964605043. The reversal of 33964605013 is 31050646933.

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.

It is a cyclic number.

It is not a de Polignac number, because 33964605013 - 2³³ = 25374670421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33964605043) 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, 15974763 + ... + 15976888.

It is an arithmetic number, because the mean of its divisors is an integer number (8499139432).

Almost surely, 2^33964605013 is an apocalyptic number.

It is an amenable number.

33964605013 is a deficient number, since it is larger than the sum of its proper divisors (31952715).

33964605013 is a wasteful number, since it uses less digits than its factorization.

33964605013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31952714.

The product of its (nonzero) digits is 174960, while the sum is 40.

The spelling of 33964605013 in words is "thirty-three billion, nine hundred sixty-four million, six hundred five thousand, thirteen".