13650343550 has 24 divisors (see below), whose sum is σ = 25980099816. Its totient is φ = 5333156640.

The previous prime is 13650343549. The next prime is 13650343573. The reversal of 13650343550 is 5534305631.

It is a self number, because there is not a number n which added to its sum of digits gives 13650343550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3172349 + ... + 3176648.

It is an arithmetic number, because the mean of its divisors is an integer number (1082504159).

Almost surely, 2^13650343550 is an apocalyptic number.

13650343550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13650343550 is a deficient number, since it is larger than the sum of its proper divisors (12329756266).

13650343550 is a wasteful number, since it uses less digits than its factorization.

13650343550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349052 (or 6349047 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 13650343550 in words is "thirteen billion, six hundred fifty million, three hundred forty-three thousand, five hundred fifty".