5315988109 has 2 divisors, whose sum is σ = 5315988110. Its totient is φ = 5315988108.

The previous prime is 5315988103. The next prime is 5315988149. The reversal of 5315988109 is 9018895135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3047371209 + 2268616900 = 55203^2 + 47630^2 .

It is a cyclic number.

It is not a de Polignac number, because 5315988109 - 2²⁵ = 5282433677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5315988103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2657994054 + 2657994055.

It is an arithmetic number, because the mean of its divisors is an integer number (2657994055).

Almost surely, 2^5315988109 is an apocalyptic number.

It is an amenable number.

5315988109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5315988109 is an equidigital number, since it uses as much as digits as its factorization.

5315988109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 49.

The square root of 5315988109 is about 72910.8229894575. The cubic root of 5315988109 is about 1745.2648163111.

The spelling of 5315988109 in words is "five billion, three hundred fifteen million, nine hundred eighty-eight thousand, one hundred nine".