1322061136469 has 2 divisors, whose sum is σ = 1322061136470. Its totient is φ = 1322061136468.

The previous prime is 1322061136457. The next prime is 1322061136483. The reversal of 1322061136469 is 9646311602231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1242192724369 + 79868412100 = 1114537^2 + 282610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322061136469 - 2⁴ = 1322061136453 is a prime.

It is a super-2 number, since 2×1322061136469² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322061136489) 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, 661030568234 + 661030568235.

It is an arithmetic number, because the mean of its divisors is an integer number (661030568235).

Almost surely, 2^{1322061136469} is an apocalyptic number.

It is an amenable number.

1322061136469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322061136469 is an equidigital number, since it uses as much as digits as its factorization.

1322061136469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 1322061136469 in words is "one trillion, three hundred twenty-two billion, sixty-one million, one hundred thirty-six thousand, four hundred sixty-nine".