5309898972769 has 2 divisors, whose sum is σ = 5309898972770. Its totient is φ = 5309898972768.

The previous prime is 5309898972761. The next prime is 5309898972793. The reversal of 5309898972769 is 9672798989035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4022270913600 + 1287628059169 = 2005560^2 + 1134737^2 .

It is a cyclic number.

It is not a de Polignac number, because 5309898972769 - 2³ = 5309898972761 is a prime.

It is a super-2 number, since 2×5309898972769² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5309898972692 and 5309898972701.

It is not a weakly prime, because it can be changed into another prime (5309898972761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2654949486384 + 2654949486385.

It is an arithmetic number, because the mean of its divisors is an integer number (2654949486385).

Almost surely, 2^{5309898972769} is an apocalyptic number.

It is an amenable number.

5309898972769 is a deficient number, since it is larger than the sum of its proper divisors (1).

5309898972769 is an equidigital number, since it uses as much as digits as its factorization.

5309898972769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3703553280, while the sum is 82.

The spelling of 5309898972769 in words is "five trillion, three hundred nine billion, eight hundred ninety-eight million, nine hundred seventy-two thousand, seven hundred sixty-nine".