5639515487 has 4 divisors (see below), whose sum is σ = 5695352376. Its totient is φ = 5583678600.

The previous prime is 5639515459. The next prime is 5639515493. The reversal of 5639515487 is 7845159365.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5639515487 - 2⁶ = 5639515423 is a prime.

It is a super-2 number, since 2×5639515487² = 63608269856225694338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5639515447) 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, 27918293 + ... + 27918494.

It is an arithmetic number, because the mean of its divisors is an integer number (1423838094).

Almost surely, 2^5639515487 is an apocalyptic number.

5639515487 is a deficient number, since it is larger than the sum of its proper divisors (55836889).

5639515487 is a wasteful number, since it uses less digits than its factorization.

5639515487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55836888.

The product of its digits is 4536000, while the sum is 53.

The square root of 5639515487 is about 75096.7075643134. The cubic root of 5639515487 is about 1779.9751171668.

The spelling of 5639515487 in words is "five billion, six hundred thirty-nine million, five hundred fifteen thousand, four hundred eighty-seven".