4987556089889 has 4 divisors (see below), whose sum is σ = 5050689711360. Its totient is φ = 4924422468420.

The previous prime is 4987556089853. The next prime is 4987556089927. The reversal of 4987556089889 is 9889806557894.

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 a de Polignac number, because none of the positive numbers 2^k-4987556089889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4987556089889.

It is not an unprimeable number, because it can be changed into a prime (4987556089849) 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, 31566810617 + ... + 31566810774.

It is an arithmetic number, because the mean of its divisors is an integer number (1262672427840).

Almost surely, 2^{4987556089889} is an apocalyptic number.

It is an amenable number.

4987556089889 is a deficient number, since it is larger than the sum of its proper divisors (63133621471).

4987556089889 is an equidigital number, since it uses as much as digits as its factorization.

4987556089889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63133621470.

The product of its (nonzero) digits is 12541132800, while the sum is 86.

The spelling of 4987556089889 in words is "four trillion, nine hundred eighty-seven billion, five hundred fifty-six million, eighty-nine thousand, eight hundred eighty-nine".