2013694064 has 80 divisors (see below), whose sum is σ = 4208837760. Its totient is φ = 929955840.

The previous prime is 2013694061. The next prime is 2013694069. The reversal of 2013694064 is 4604963102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013694061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4671929 + ... + 4672359.

It is an arithmetic number, because the mean of its divisors is an integer number (52610472).

Almost surely, 2^2013694064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013694064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2104418880).

2013694064 is an abundant number, since it is smaller than the sum of its proper divisors (2195143696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2013694064 is a wasteful number, since it uses less digits than its factorization.

2013694064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2013694064 is about 44874.2026558690. The cubic root of 2013694064 is about 1262.7900849481.

The spelling of 2013694064 in words is "two billion, thirteen million, six hundred ninety-four thousand, sixty-four".