5081645694 has 8 divisors (see below), whose sum is σ = 10163291400. Its totient is φ = 1693881896.

The previous prime is 5081645689. The next prime is 5081645713. The reversal of 5081645694 is 4965461805.

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

5081645694 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423470469 + ... + 423470480.

It is an arithmetic number, because the mean of its divisors is an integer number (1270411425).

Almost surely, 2^5081645694 is an apocalyptic number.

5081645694 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.

5081645694 is a wasteful number, since it uses less digits than its factorization.

5081645694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846940954.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 5081645694 is about 71285.6626117763. The cubic root of 5081645694 is about 1719.2332184749.

The spelling of 5081645694 in words is "five billion, eighty-one million, six hundred forty-five thousand, six hundred ninety-four".