2087814510813 has 4 divisors (see below), whose sum is σ = 2783752681088. Its totient is φ = 1391876340540.

The previous prime is 2087814510791. The next prime is 2087814510829. The reversal of 2087814510813 is 3180154187802.

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.

It is not a de Polignac number, because 2087814510813 - 2¹⁰ = 2087814509789 is a prime.

It is a super-2 number, since 2×2087814510813² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087814510833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347969085133 + ... + 347969085138.

It is an arithmetic number, because the mean of its divisors is an integer number (695938170272).

Almost surely, 2^{2087814510813} is an apocalyptic number.

It is an amenable number.

2087814510813 is a deficient number, since it is larger than the sum of its proper divisors (695938170275).

2087814510813 is an equidigital number, since it uses as much as digits as its factorization.

2087814510813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695938170274.

The product of its (nonzero) digits is 430080, while the sum is 48.

The spelling of 2087814510813 in words is "two trillion, eighty-seven billion, eight hundred fourteen million, five hundred ten thousand, eight hundred thirteen".