2087688381413 has 4 divisors (see below), whose sum is σ = 2136239274048. Its totient is φ = 2039137488780.

The previous prime is 2087688381391. The next prime is 2087688381421. The reversal of 2087688381413 is 3141838867802.

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 a cyclic number.

It is not a de Polignac number, because 2087688381413 - 2¹⁰ = 2087688380389 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 (2087688381463) 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, 24275446253 + ... + 24275446338.

It is an arithmetic number, because the mean of its divisors is an integer number (534059818512).

Almost surely, 2^{2087688381413} is an apocalyptic number.

It is an amenable number.

2087688381413 is a deficient number, since it is larger than the sum of its proper divisors (48550892635).

2087688381413 is an equidigital number, since it uses as much as digits as its factorization.

2087688381413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48550892634.

The product of its (nonzero) digits is 12386304, while the sum is 59.

The spelling of 2087688381413 in words is "two trillion, eighty-seven billion, six hundred eighty-eight million, three hundred eighty-one thousand, four hundred thirteen".