13520740650 has 48 divisors (see below), whose sum is σ = 33599911968. Its totient is φ = 3598168000.

The previous prime is 13520740637. The next prime is 13520740661. The reversal of 13520740650 is 5604702531.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18141 + ... + 165440.

It is an arithmetic number, because the mean of its divisors is an integer number (699998166).

Almost surely, 2^13520740650 is an apocalyptic number.

13520740650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13520740650 is an abundant number, since it is smaller than the sum of its proper divisors (20079171318).

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

13520740650 is a wasteful number, since it uses less digits than its factorization.

13520740650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184087 (or 184082 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 13520740650 in words is "thirteen billion, five hundred twenty million, seven hundred forty thousand, six hundred fifty".