32405921325889 has 2 divisors, whose sum is σ = 32405921325890. Its totient is φ = 32405921325888.

The previous prime is 32405921325887. The next prime is 32405921325929. The reversal of 32405921325889 is 98852312950423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32328514957489 + 77406368400 = 5685817^2 + 278220^2 .

It is a cyclic number.

It is not a de Polignac number, because 32405921325889 - 2¹ = 32405921325887 is a prime.

Together with 32405921325887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (32405921325887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16202960662944 + 16202960662945.

It is an arithmetic number, because the mean of its divisors is an integer number (16202960662945).

Almost surely, 2^{32405921325889} is an apocalyptic number.

It is an amenable number.

32405921325889 is a deficient number, since it is larger than the sum of its proper divisors (1).

32405921325889 is an equidigital number, since it uses as much as digits as its factorization.

32405921325889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 32405921325889 in words is "thirty-two trillion, four hundred five billion, nine hundred twenty-one million, three hundred twenty-five thousand, eight hundred eighty-nine".