6873987013 has 4 divisors (see below), whose sum is σ = 6874263808. Its totient is φ = 6873710220.

The previous prime is 6873987011. The next prime is 6873987031. The reversal of 6873987013 is 3107893786.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3107893786 = 2 ⋅1553946893.

It is a cyclic number.

It is not a de Polignac number, because 6873987013 - 2¹ = 6873987011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6873987011) by changing a digit.

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, 97023 + ... + 152188.

It is an arithmetic number, because the mean of its divisors is an integer number (1718565952).

Almost surely, 2^6873987013 is an apocalyptic number.

It is an amenable number.

6873987013 is a deficient number, since it is larger than the sum of its proper divisors (276795).

6873987013 is a wasteful number, since it uses less digits than its factorization.

6873987013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276794.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 6873987013 is about 82909.5109924067. The cubic root of 6873987013 is about 1901.3828356989.

The spelling of 6873987013 in words is "six billion, eight hundred seventy-three million, nine hundred eighty-seven thousand, thirteen".