1042320332369 has 2 divisors, whose sum is σ = 1042320332370. Its totient is φ = 1042320332368.

The previous prime is 1042320332327. The next prime is 1042320332423. The reversal of 1042320332369 is 9632330232401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 759184601344 + 283135731025 = 871312^2 + 532105^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042320332369 - 2³² = 1038025365073 is a prime.

It is a super-2 number, since 2×1042320332369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1042320332269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521160166184 + 521160166185.

It is an arithmetic number, because the mean of its divisors is an integer number (521160166185).

Almost surely, 2^{1042320332369} is an apocalyptic number.

It is an amenable number.

1042320332369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042320332369 is an equidigital number, since it uses as much as digits as its factorization.

1042320332369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 38.

The spelling of 1042320332369 in words is "one trillion, forty-two billion, three hundred twenty million, three hundred thirty-two thousand, three hundred sixty-nine".