5194851878134 has 4 divisors (see below), whose sum is σ = 7792277817204. Its totient is φ = 2597425939066.

The previous prime is 5194851878113. The next prime is 5194851878137. The reversal of 5194851878134 is 4318781584915.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5194851878137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1298712969532 + ... + 1298712969535.

It is an arithmetic number, because the mean of its divisors is an integer number (1948069454301).

Almost surely, 2^{5194851878134} is an apocalyptic number.

5194851878134 is a deficient number, since it is larger than the sum of its proper divisors (2597425939070).

5194851878134 is a wasteful number, since it uses less digits than its factorization.

5194851878134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597425939069.

The product of its digits is 38707200, while the sum is 64.

The spelling of 5194851878134 in words is "five trillion, one hundred ninety-four billion, eight hundred fifty-one million, eight hundred seventy-eight thousand, one hundred thirty-four".