5309438587 has 2 divisors, whose sum is σ = 5309438588. Its totient is φ = 5309438586.

The previous prime is 5309438579. The next prime is 5309438653. The reversal of 5309438587 is 7858349035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5309438587 - 2³ = 5309438579 is a prime.

It is not a weakly prime, because it can be changed into another prime (5309438507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2654719293 + 2654719294.

It is an arithmetic number, because the mean of its divisors is an integer number (2654719294).

Almost surely, 2^5309438587 is an apocalyptic number.

5309438587 is a deficient number, since it is larger than the sum of its proper divisors (1).

5309438587 is an equidigital number, since it uses as much as digits as its factorization.

5309438587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The square root of 5309438587 is about 72865.8945392150. The cubic root of 5309438587 is about 1744.5477750863.

The spelling of 5309438587 in words is "five billion, three hundred nine million, four hundred thirty-eight thousand, five hundred eighty-seven".