13513648650 has 48 divisors (see below), whose sum is σ = 34594952448. Its totient is φ = 3487392000.

The previous prime is 13513648649. The next prime is 13513648663. The reversal of 13513648650 is 5684631531.

13513648650 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

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 in 23 ways as a sum of consecutive naturals, for example, 1448431 + ... + 1457730.

It is an arithmetic number, because the mean of its divisors is an integer number (720728176).

Almost surely, 2^13513648650 is an apocalyptic number.

13513648650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13513648650 is an abundant number, since it is smaller than the sum of its proper divisors (21081303798).

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

13513648650 is a wasteful number, since it uses less digits than its factorization.

13513648650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906207 (or 2906202 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 13513648650 in words is "thirteen billion, five hundred thirteen million, six hundred forty-eight thousand, six hundred fifty".