13458819394 has 8 divisors (see below), whose sum is σ = 20215402560. Its totient is φ = 6720351876.

The previous prime is 13458819383. The next prime is 13458819431. The reversal of 13458819394 is 49391885431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13458819394² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4527054 + ... + 4530025.

It is an arithmetic number, because the mean of its divisors is an integer number (2526925320).

Almost surely, 2^13458819394 is an apocalyptic number.

13458819394 is a deficient number, since it is larger than the sum of its proper divisors (6756583166).

13458819394 is an equidigital number, since it uses as much as digits as its factorization.

13458819394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9057824.

The product of its digits is 3732480, while the sum is 55.

The spelling of 13458819394 in words is "thirteen billion, four hundred fifty-eight million, eight hundred nineteen thousand, three hundred ninety-four".