5639291087 has 4 divisors (see below), whose sum is σ = 5884477680. Its totient is φ = 5394104496.

The previous prime is 5639291081. The next prime is 5639291089. The reversal of 5639291087 is 7801929365.

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 5639291087 - 2²² = 5635096783 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 (5639291081) 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, 122593262 + ... + 122593307.

It is an arithmetic number, because the mean of its divisors is an integer number (1471119420).

Almost surely, 2^5639291087 is an apocalyptic number.

5639291087 is a deficient number, since it is larger than the sum of its proper divisors (245186593).

5639291087 is a wasteful number, since it uses less digits than its factorization.

5639291087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245186592.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 5639291087 is about 75095.2134759600. The cubic root of 5639291087 is about 1779.9515080633.

The spelling of 5639291087 in words is "five billion, six hundred thirty-nine million, two hundred ninety-one thousand, eighty-seven".