32178875249 has 2 divisors, whose sum is σ = 32178875250. Its totient is φ = 32178875248.

The previous prime is 32178875231. The next prime is 32178875257. The reversal of 32178875249 is 94257887123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32121600625 + 57274624 = 179225^2 + 7568^2 .

It is an emirp because it is prime and its reverse (94257887123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32178875249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32178875194 and 32178875203.

It is not a weakly prime, because it can be changed into another prime (32178875279) 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, 16089437624 + 16089437625.

It is an arithmetic number, because the mean of its divisors is an integer number (16089437625).

Almost surely, 2^32178875249 is an apocalyptic number.

It is an amenable number.

32178875249 is a deficient number, since it is larger than the sum of its proper divisors (1).

32178875249 is an equidigital number, since it uses as much as digits as its factorization.

32178875249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 56.

The spelling of 32178875249 in words is "thirty-two billion, one hundred seventy-eight million, eight hundred seventy-five thousand, two hundred forty-nine".