13213374450 has 24 divisors (see below), whose sum is σ = 32769169008. Its totient is φ = 3523566480.

The previous prime is 13213374431. The next prime is 13213374481. The reversal of 13213374450 is 5447331231.

It is a happy number.

13213374450 is digitally balanced in base 2, because in such base 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 11 ways as a sum of consecutive naturals, for example, 44044432 + ... + 44044731.

It is an arithmetic number, because the mean of its divisors is an integer number (1365382042).

Almost surely, 2^13213374450 is an apocalyptic number.

13213374450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13213374450 is an abundant number, since it is smaller than the sum of its proper divisors (19555794558).

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

13213374450 is a wasteful number, since it uses less digits than its factorization.

13213374450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88089178 (or 88089173 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 13213374450 in words is "thirteen billion, two hundred thirteen million, three hundred seventy-four thousand, four hundred fifty".