2087538735749 has 2 divisors, whose sum is σ = 2087538735750. Its totient is φ = 2087538735748.

The previous prime is 2087538735731. The next prime is 2087538735769. The reversal of 2087538735749 is 9475378357802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2082774285124 + 4764450625 = 1443182^2 + 69025^2 .

It is a cyclic number.

It is not a de Polignac number, because 2087538735749 - 2⁸ = 2087538735493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2087538735769) by changing a digit.

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 as a sum of consecutive naturals, namely, 1043769367874 + 1043769367875.

It is an arithmetic number, because the mean of its divisors is an integer number (1043769367875).

Almost surely, 2^{2087538735749} is an apocalyptic number.

It is an amenable number.

2087538735749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087538735749 is an equidigital number, since it uses as much as digits as its factorization.

2087538735749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 355622400, while the sum is 68.

The spelling of 2087538735749 in words is "two trillion, eighty-seven billion, five hundred thirty-eight million, seven hundred thirty-five thousand, seven hundred forty-nine".