75454577544469 has 2 divisors, whose sum is σ = 75454577544470. Its totient is φ = 75454577544468.

The previous prime is 75454577544433. The next prime is 75454577544473. The reversal of 75454577544469 is 96444577545457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60639892014244 + 14814685530225 = 7787162^2 + 3848985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75454577544469 is a prime.

It is a super-2 number, since 2×75454577544469² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75454577544395 and 75454577544404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75454577544869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37727288772234 + 37727288772235.

It is an arithmetic number, because the mean of its divisors is an integer number (37727288772235).

Almost surely, 2^{75454577544469} is an apocalyptic number.

It is an amenable number.

75454577544469 is a deficient number, since it is larger than the sum of its proper divisors (1).

75454577544469 is an equidigital number, since it uses as much as digits as its factorization.

75454577544469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11854080000, while the sum is 76.

The spelling of 75454577544469 in words is "seventy-five trillion, four hundred fifty-four billion, five hundred seventy-seven million, five hundred forty-four thousand, four hundred sixty-nine".