13209432764 has 24 divisors (see below), whose sum is σ = 25258800000. Its totient is φ = 5994575280.

The previous prime is 13209432707. The next prime is 13209432781. The reversal of 13209432764 is 46723490231.

It is a super-2 number, since 2×13209432764² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215264 + ... + 269735.

It is an arithmetic number, because the mean of its divisors is an integer number (1052450000).

Almost surely, 2^13209432764 is an apocalyptic number.

It is an amenable number.

13209432764 is a deficient number, since it is larger than the sum of its proper divisors (12049367236).

13209432764 is a wasteful number, since it uses less digits than its factorization.

13209432764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485633 (or 485631 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 13209432764 in words is "thirteen billion, two hundred nine million, four hundred thirty-two thousand, seven hundred sixty-four".