13520563064 has 16 divisors (see below), whose sum is σ = 26453275920. Its totient is φ = 6466356160.

The previous prime is 13520563037. The next prime is 13520563099. The reversal of 13520563064 is 46036502531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36740477 + ... + 36740844.

It is an arithmetic number, because the mean of its divisors is an integer number (1653329745).

Almost surely, 2^13520563064 is an apocalyptic number.

It is an amenable number.

13520563064 is a deficient number, since it is larger than the sum of its proper divisors (12932712856).

13520563064 is a wasteful number, since it uses less digits than its factorization.

13520563064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73481350 (or 73481346 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 13520563064 in words is "thirteen billion, five hundred twenty million, five hundred sixty-three thousand, sixty-four".