13964709264 has 80 divisors (see below), whose sum is σ = 39386032704. Its totient is φ = 4228403200.

The previous prime is 13964709263. The next prime is 13964709277. The reversal of 13964709264 is 46290746931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13964709263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708892 + ... + 728324.

Almost surely, 2^13964709264 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 13964709264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19693016352).

13964709264 is an abundant number, since it is smaller than the sum of its proper divisors (25421323440).

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

13964709264 is a wasteful number, since it uses less digits than its factorization.

13964709264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20816 (or 20810 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 13964709264 in words is "thirteen billion, nine hundred sixty-four million, seven hundred nine thousand, two hundred sixty-four".