4994687815 has 16 divisors (see below), whose sum is σ = 6468835968. Its totient is φ = 3680292096.

The previous prime is 4994687809. The next prime is 4994687837. The reversal of 4994687815 is 5187864994.

It is not a de Polignac number, because 4994687815 - 2³ = 4994687807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54367 + ... + 113776.

It is an arithmetic number, because the mean of its divisors is an integer number (404302248).

Almost surely, 2^4994687815 is an apocalyptic number.

4994687815 is a deficient number, since it is larger than the sum of its proper divisors (1474148153).

4994687815 is a wasteful number, since it uses less digits than its factorization.

4994687815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168618.

The product of its digits is 17418240, while the sum is 61.

The square root of 4994687815 is about 70673.1053159545. The cubic root of 4994687815 is about 1709.3701515147.

The spelling of 4994687815 in words is "four billion, nine hundred ninety-four million, six hundred eighty-seven thousand, eight hundred fifteen".