5130819689 has 2 divisors, whose sum is σ = 5130819690. Its totient is φ = 5130819688.

The previous prime is 5130819671. The next prime is 5130819721. The reversal of 5130819689 is 9869180315.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2982033664 + 2148786025 = 54608^2 + 46355^2 .

It is a cyclic number.

It is not a de Polignac number, because 5130819689 - 2⁸ = 5130819433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5130809689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565409844 + 2565409845.

It is an arithmetic number, because the mean of its divisors is an integer number (2565409845).

Almost surely, 2^5130819689 is an apocalyptic number.

It is an amenable number.

5130819689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5130819689 is an equidigital number, since it uses as much as digits as its factorization.

5130819689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 5130819689 is about 71629.7402550086. The cubic root of 5130819689 is about 1724.7609766413.

The spelling of 5130819689 in words is "five billion, one hundred thirty million, eight hundred nineteen thousand, six hundred eighty-nine".