36530574469 has 2 divisors, whose sum is σ = 36530574470. Its totient is φ = 36530574468.

The previous prime is 36530574433. The next prime is 36530574511. The reversal of 36530574469 is 96447503563.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23804478369 + 12726096100 = 154287^2 + 112810^2 .

It is an emirp because it is prime and its reverse (96447503563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36530574469 - 2⁹ = 36530573957 is a prime.

It is a super-2 number, since 2×36530574469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36530574569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18265287234 + 18265287235.

It is an arithmetic number, because the mean of its divisors is an integer number (18265287235).

Almost surely, 2^36530574469 is an apocalyptic number.

It is an amenable number.

36530574469 is a deficient number, since it is larger than the sum of its proper divisors (1).

36530574469 is an equidigital number, since it uses as much as digits as its factorization.

36530574469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8164800, while the sum is 52.

The spelling of 36530574469 in words is "thirty-six billion, five hundred thirty million, five hundred seventy-four thousand, four hundred sixty-nine".