5639515459 has 2 divisors, whose sum is σ = 5639515460. Its totient is φ = 5639515458.

The previous prime is 5639515447. The next prime is 5639515493. The reversal of 5639515459 is 9545159365.

5639515459 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5639515459 - 2¹³ = 5639507267 is a prime.

It is a super-2 number, since 2×5639515459² = 63608269224599961362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5639515159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819757729 + 2819757730.

It is an arithmetic number, because the mean of its divisors is an integer number (2819757730).

Almost surely, 2^5639515459 is an apocalyptic number.

5639515459 is a deficient number, since it is larger than the sum of its proper divisors (1).

5639515459 is an equidigital number, since it uses as much as digits as its factorization.

5639515459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3645000, while the sum is 52.

The square root of 5639515459 is about 75096.7073778871. The cubic root of 5639515459 is about 1779.9751142209.

The spelling of 5639515459 in words is "five billion, six hundred thirty-nine million, five hundred fifteen thousand, four hundred fifty-nine".