108378832249 has 2 divisors, whose sum is σ = 108378832250. Its totient is φ = 108378832248.

The previous prime is 108378832169. The next prime is 108378832271. The reversal of 108378832249 is 942238873801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104277326400 + 4101505849 = 322920^2 + 64043^2 .

It is a cyclic number.

It is not a de Polignac number, because 108378832249 - 2¹⁷ = 108378701177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108378832249.

It is not a weakly prime, because it can be changed into another prime (108378830249) 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, 54189416124 + 54189416125.

It is an arithmetic number, because the mean of its divisors is an integer number (54189416125).

Almost surely, 2^108378832249 is an apocalyptic number.

It is an amenable number.

108378832249 is a deficient number, since it is larger than the sum of its proper divisors (1).

108378832249 is an equidigital number, since it uses as much as digits as its factorization.

108378832249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 108378832249 in words is "one hundred eight billion, three hundred seventy-eight million, eight hundred thirty-two thousand, two hundred forty-nine".