13646452564 has 6 divisors (see below), whose sum is σ = 23881291994. Its totient is φ = 6823226280.

The previous prime is 13646452531. The next prime is 13646452577. The reversal of 13646452564 is 46525464631.

13646452564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12857292100 + 789160464 = 113390^2 + 28092^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1705806567 + ... + 1705806574.

Almost surely, 2^13646452564 is an apocalyptic number.

It is an amenable number.

13646452564 is a deficient number, since it is larger than the sum of its proper divisors (10234839430).

13646452564 is a wasteful number, since it uses less digits than its factorization.

13646452564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411613145 (or 3411613143 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 46.

The spelling of 13646452564 in words is "thirteen billion, six hundred forty-six million, four hundred fifty-two thousand, five hundred sixty-four".