420829898911361 has 2 divisors, whose sum is σ = 420829898911362. Its totient is φ = 420829898911360.

The previous prime is 420829898911339. The next prime is 420829898911379. The reversal of 420829898911361 is 163119898928024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419590364049025 + 1239534862336 = 20483905^2 + 1113344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420829898911361 is a prime.

It is not a weakly prime, because it can be changed into another prime (420829898911861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210414949455680 + 210414949455681.

It is an arithmetic number, because the mean of its divisors is an integer number (210414949455681).

Almost surely, 2^{420829898911361} is an apocalyptic number.

It is an amenable number.

420829898911361 is a deficient number, since it is larger than the sum of its proper divisors (1).

420829898911361 is an equidigital number, since it uses as much as digits as its factorization.

420829898911361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107495424, while the sum is 71.

The spelling of 420829898911361 in words is "four hundred twenty trillion, eight hundred twenty-nine billion, eight hundred ninety-eight million, nine hundred eleven thousand, three hundred sixty-one".