5318739109 has 2 divisors, whose sum is σ = 5318739110. Its totient is φ = 5318739108.

The previous prime is 5318739071. The next prime is 5318739133. The reversal of 5318739109 is 9019378135.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4841098084 + 477641025 = 69578^2 + 21855^2 .

It is a cyclic number.

It is not a de Polignac number, because 5318739109 - 2¹⁹ = 5318214821 is a prime.

It is a super-2 number, since 2×5318739109² = 56577971419212227762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5318739509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2659369554 + 2659369555.

It is an arithmetic number, because the mean of its divisors is an integer number (2659369555).

Almost surely, 2^5318739109 is an apocalyptic number.

It is an amenable number.

5318739109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5318739109 is an equidigital number, since it uses as much as digits as its factorization.

5318739109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 5318739109 is about 72929.6860613015. The cubic root of 5318739109 is about 1745.5658199656.

The spelling of 5318739109 in words is "five billion, three hundred eighteen million, seven hundred thirty-nine thousand, one hundred nine".