13354091778 has 16 divisors (see below), whose sum is σ = 27869409216. Its totient is φ = 4257826320.

The previous prime is 13354091759. The next prime is 13354091791. The reversal of 13354091778 is 87719045331.

13354091778 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 7 ways as a sum of consecutive naturals, for example, 48384253 + ... + 48384528.

It is an arithmetic number, because the mean of its divisors is an integer number (1741838076).

Almost surely, 2^13354091778 is an apocalyptic number.

13354091778 is an abundant number, since it is smaller than the sum of its proper divisors (14515317438).

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

13354091778 is a wasteful number, since it uses less digits than its factorization.

13354091778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96768809.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 13354091778 in words is "thirteen billion, three hundred fifty-four million, ninety-one thousand, seven hundred seventy-eight".