32986920558481 has 2 divisors, whose sum is σ = 32986920558482. Its totient is φ = 32986920558480.

The previous prime is 32986920558379. The next prime is 32986920558503. The reversal of 32986920558481 is 18485502968923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26465715626256 + 6521204932225 = 5144484^2 + 2553665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32986920558481 is a prime.

It is a super-2 number, since 2×32986920558481² (a number of 28 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 32986920558481.

It is not a weakly prime, because it can be changed into another prime (32986920550481) 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, 16493460279240 + 16493460279241.

It is an arithmetic number, because the mean of its divisors is an integer number (16493460279241).

Almost surely, 2^{32986920558481} is an apocalyptic number.

It is an amenable number.

32986920558481 is a deficient number, since it is larger than the sum of its proper divisors (1).

32986920558481 is an equidigital number, since it uses as much as digits as its factorization.

32986920558481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 298598400, while the sum is 70.

The spelling of 32986920558481 in words is "thirty-two trillion, nine hundred eighty-six billion, nine hundred twenty million, five hundred fifty-eight thousand, four hundred eighty-one".