13275433550 has 24 divisors (see below), whose sum is σ = 24766936392. Its totient is φ = 5294124000.

The previous prime is 13275433531. The next prime is 13275433573. The reversal of 13275433550 is 5533457231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384521 + ... + 417620.

It is an arithmetic number, because the mean of its divisors is an integer number (1031955683).

Almost surely, 2^13275433550 is an apocalyptic number.

13275433550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13275433550 is a deficient number, since it is larger than the sum of its proper divisors (11491502842).

13275433550 is a wasteful number, since it uses less digits than its factorization.

13275433550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802484 (or 802479 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 38.

The spelling of 13275433550 in words is "thirteen billion, two hundred seventy-five million, four hundred thirty-three thousand, five hundred fifty".