5639056867 has 2 divisors, whose sum is σ = 5639056868. Its totient is φ = 5639056866.

The previous prime is 5639056849. The next prime is 5639056897. The reversal of 5639056867 is 7686509365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5639056867 - 2¹⁵ = 5639024099 is a prime.

It is not a weakly prime, because it can be changed into another prime (5639056807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819528433 + 2819528434.

It is an arithmetic number, because the mean of its divisors is an integer number (2819528434).

Almost surely, 2^5639056867 is an apocalyptic number.

5639056867 is a deficient number, since it is larger than the sum of its proper divisors (1).

5639056867 is an equidigital number, since it uses as much as digits as its factorization.

5639056867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The square root of 5639056867 is about 75093.6539728891. The cubic root of 5639056867 is about 1779.9268651305.

The spelling of 5639056867 in words is "five billion, six hundred thirty-nine million, fifty-six thousand, eight hundred sixty-seven".