2087539598989 has 4 divisors (see below), whose sum is σ = 2248119568156. Its totient is φ = 1926959629824.

The previous prime is 2087539598951. The next prime is 2087539599007. The reversal of 2087539598989 is 9898959357802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 387991952100 + 1699547646889 = 622890^2 + 1303667^2 .

It is a cyclic number.

It is not a de Polignac number, because 2087539598989 - 2³¹ = 2085392115341 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 (2087539599989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80289984564 + ... + 80289984589.

It is an arithmetic number, because the mean of its divisors is an integer number (562029892039).

Almost surely, 2^{2087539598989} is an apocalyptic number.

It is an amenable number.

2087539598989 is a deficient number, since it is larger than the sum of its proper divisors (160579969167).

2087539598989 is a wasteful number, since it uses less digits than its factorization.

2087539598989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160579969166.

The product of its (nonzero) digits is 3527193600, while the sum is 82.

The spelling of 2087539598989 in words is "two trillion, eighty-seven billion, five hundred thirty-nine million, five hundred ninety-eight thousand, nine hundred eighty-nine".