32378444249 has 2 divisors, whose sum is σ = 32378444250. Its totient is φ = 32378444248.

The previous prime is 32378444227. The next prime is 32378444261. The reversal of 32378444249 is 94244487323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31984818649 + 393625600 = 178843^2 + 19840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32378444249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32378444197 and 32378444206.

It is not a weakly prime, because it can be changed into another prime (32378444209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16189222124 + 16189222125.

It is an arithmetic number, because the mean of its divisors is an integer number (16189222125).

Almost surely, 2^32378444249 is an apocalyptic number.

It is an amenable number.

32378444249 is a deficient number, since it is larger than the sum of its proper divisors (1).

32378444249 is an equidigital number, since it uses as much as digits as its factorization.

32378444249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 50.

The spelling of 32378444249 in words is "thirty-two billion, three hundred seventy-eight million, four hundred forty-four thousand, two hundred forty-nine".