825468992729 has 2 divisors, whose sum is σ = 825468992730. Its totient is φ = 825468992728.

The previous prime is 825468992723. The next prime is 825468992753. The reversal of 825468992729 is 927299864528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 745722056704 + 79746936025 = 863552^2 + 282395^2 .

It is a cyclic number.

It is not a de Polignac number, because 825468992729 - 2⁸ = 825468992473 is a prime.

It is not a weakly prime, because it can be changed into another prime (825468992723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412734496364 + 412734496365.

It is an arithmetic number, because the mean of its divisors is an integer number (412734496365).

Almost surely, 2^825468992729 is an apocalyptic number.

It is an amenable number.

825468992729 is a deficient number, since it is larger than the sum of its proper divisors (1).

825468992729 is an equidigital number, since it uses as much as digits as its factorization.

825468992729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 313528320, while the sum is 71.

The spelling of 825468992729 in words is "eight hundred twenty-five billion, four hundred sixty-eight million, nine hundred ninety-two thousand, seven hundred twenty-nine".