5194391144 has 16 divisors (see below), whose sum is σ = 10075328100. Its totient is φ = 2507636992.

The previous prime is 5194391129. The next prime is 5194391149. The reversal of 5194391144 is 4411934915.

It can be written as a sum of positive squares in 2 ways, for example, as 4591688644 + 602702500 = 67762^2 + 24550^2 .

It is not an unprimeable number, because it can be changed into a prime (5194391149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11194577 + ... + 11195040.

Almost surely, 2^5194391144 is an apocalyptic number.

It is an amenable number.

5194391144 is a deficient number, since it is larger than the sum of its proper divisors (4880936956).

5194391144 is a wasteful number, since it uses less digits than its factorization.

5194391144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22389652 (or 22389648 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 5194391144 is about 72072.1245975169. The cubic root of 5194391144 is about 1731.8550878195.

The spelling of 5194391144 in words is "five billion, one hundred ninety-four million, three hundred ninety-one thousand, one hundred forty-four".