53768789969 has 2 divisors, whose sum is σ = 53768789970. Its totient is φ = 53768789968.

The previous prime is 53768789849. The next prime is 53768789999. The reversal of 53768789969 is 96998786735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52221390400 + 1547399569 = 228520^2 + 39337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53768789969 is a prime.

It is a super-2 number, since 2×53768789969² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53768789969.

It is not a weakly prime, because it can be changed into another prime (53768789999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26884394984 + 26884394985.

It is an arithmetic number, because the mean of its divisors is an integer number (26884394985).

Almost surely, 2^53768789969 is an apocalyptic number.

It is an amenable number.

53768789969 is a deficient number, since it is larger than the sum of its proper divisors (1).

53768789969 is an equidigital number, since it uses as much as digits as its factorization.

53768789969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1234517760, while the sum is 77.

The spelling of 53768789969 in words is "fifty-three billion, seven hundred sixty-eight million, seven hundred eighty-nine thousand, nine hundred sixty-nine".