5181994362 has 8 divisors (see below), whose sum is σ = 10363988736. Its totient is φ = 1727331452.

The previous prime is 5181994319. The next prime is 5181994381. The reversal of 5181994362 is 2634991815.

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

5181994362 is an admirable number.

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, 431832858 + ... + 431832869.

It is an arithmetic number, because the mean of its divisors is an integer number (1295498592).

Almost surely, 2^5181994362 is an apocalyptic number.

5181994362 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.

5181994362 is a wasteful number, since it uses less digits than its factorization.

5181994362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863665732.

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

The square root of 5181994362 is about 71986.0706109175. The cubic root of 5181994362 is about 1730.4762587773.

The spelling of 5181994362 in words is "five billion, one hundred eighty-one million, nine hundred ninety-four thousand, three hundred sixty-two".