5188891394 has 8 divisors (see below), whose sum is σ = 7784465808. Its totient is φ = 2594069460.

The previous prime is 5188891343. The next prime is 5188891457. The reversal of 5188891394 is 4931988815.

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

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, 170552 + ... + 198659.

It is an arithmetic number, because the mean of its divisors is an integer number (973058226).

Almost surely, 2^5188891394 is an apocalyptic number.

5188891394 is a deficient number, since it is larger than the sum of its proper divisors (2595574414).

5188891394 is a wasteful number, since it uses less digits than its factorization.

5188891394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376240.

The product of its digits is 2488320, while the sum is 56.

The square root of 5188891394 is about 72033.9600049865. The cubic root of 5188891394 is about 1731.2436505148.

The spelling of 5188891394 in words is "five billion, one hundred eighty-eight million, eight hundred ninety-one thousand, three hundred ninety-four".