1145636332469 has 2 divisors, whose sum is σ = 1145636332470. Its totient is φ = 1145636332468.

The previous prime is 1145636332459. The next prime is 1145636332507. The reversal of 1145636332469 is 9642336365411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1022899618225 + 122736714244 = 1011385^2 + 350338^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145636332469 - 2⁸ = 1145636332213 is a prime.

It is a super-2 number, since 2×1145636332469² (a number of 25 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 1145636332469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145636332409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572818166234 + 572818166235.

It is an arithmetic number, because the mean of its divisors is an integer number (572818166235).

Almost surely, 2^{1145636332469} is an apocalyptic number.

It is an amenable number.

1145636332469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145636332469 is an equidigital number, since it uses as much as digits as its factorization.

1145636332469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8398080, while the sum is 53.

The spelling of 1145636332469 in words is "one trillion, one hundred forty-five billion, six hundred thirty-six million, three hundred thirty-two thousand, four hundred sixty-nine".