5191936842 has 8 divisors (see below), whose sum is σ = 10383873696. Its totient is φ = 1730645612.

The previous prime is 5191936819. The next prime is 5191936843. The reversal of 5191936842 is 2486391915.

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

5191936842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 5191936791 and 5191936800.

It is not an unprimeable number, because it can be changed into a prime (5191936843) 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, 432661398 + ... + 432661409.

It is an arithmetic number, because the mean of its divisors is an integer number (1297984212).

Almost surely, 2^5191936842 is an apocalyptic number.

5191936842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5191936842 is a wasteful number, since it uses less digits than its factorization.

5191936842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865322812.

The product of its digits is 466560, while the sum is 48.

The square root of 5191936842 is about 72055.0958780848. The cubic root of 5191936842 is about 1731.5822829868.

The spelling of 5191936842 in words is "five billion, one hundred ninety-one million, nine hundred thirty-six thousand, eight hundred forty-two".