5194133686778 has 8 divisors (see below), whose sum is σ = 7791844095072. Its totient is φ = 2596852321756.

The previous prime is 5194133686717. The next prime is 5194133686789. The reversal of 5194133686778 is 8776863314915.

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 2×5194133686778² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107230550 + ... + 107278977.

It is an arithmetic number, because the mean of its divisors is an integer number (973980511884).

Almost surely, 2^{5194133686778} is an apocalyptic number.

5194133686778 is a deficient number, since it is larger than the sum of its proper divisors (2597710408294).

5194133686778 is a wasteful number, since it uses less digits than its factorization.

5194133686778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214521636.

The product of its digits is 182891520, while the sum is 68.

The spelling of 5194133686778 in words is "five trillion, one hundred ninety-four billion, one hundred thirty-three million, six hundred eighty-six thousand, seven hundred seventy-eight".