5639533639987 has 4 divisors (see below), whose sum is σ = 6073343920000. Its totient is φ = 5205723359976.

The previous prime is 5639533639933. The next prime is 5639533640023. The reversal of 5639533639987 is 7899363359365.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5639533639987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5639533639087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216905139987 + ... + 216905140012.

It is an arithmetic number, because the mean of its divisors is an integer number (1518335980000).

Almost surely, 2^{5639533639987} is an apocalyptic number.

5639533639987 is a deficient number, since it is larger than the sum of its proper divisors (433810280013).

5639533639987 is a wasteful number, since it uses less digits than its factorization.

5639533639987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433810280012.

The product of its digits is 2976069600, while the sum is 76.

The spelling of 5639533639987 in words is "five trillion, six hundred thirty-nine billion, five hundred thirty-three million, six hundred thirty-nine thousand, nine hundred eighty-seven".