133443424550 has 12 divisors (see below), whose sum is σ = 248204769756. Its totient is φ = 53377369800.

The previous prime is 133443424547. The next prime is 133443424577. The reversal of 133443424550 is 55424344331.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1334434196 + ... + 1334434295.

It is an arithmetic number, because the mean of its divisors is an integer number (20683730813).

Almost surely, 2^133443424550 is an apocalyptic number.

133443424550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133443424550 is a deficient number, since it is larger than the sum of its proper divisors (114761345206).

133443424550 is a wasteful number, since it uses less digits than its factorization.

133443424550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668868503 (or 2668868498 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 133443424550 its reverse (55424344331), we get a palindrome (188867768881).

The spelling of 133443424550 in words is "one hundred thirty-three billion, four hundred forty-three million, four hundred twenty-four thousand, five hundred fifty".