108228946249 has 2 divisors, whose sum is σ = 108228946250. Its totient is φ = 108228946248.

The previous prime is 108228946247. The next prime is 108228946291. The reversal of 108228946249 is 942649822801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72444414025 + 35784532224 = 269155^2 + 189168^2 .

It is a cyclic number.

It is not a de Polignac number, because 108228946249 - 2¹ = 108228946247 is a prime.

Together with 108228946247, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 108228946249.

It is not a weakly prime, because it can be changed into another prime (108228946247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54114473124 + 54114473125.

It is an arithmetic number, because the mean of its divisors is an integer number (54114473125).

Almost surely, 2^108228946249 is an apocalyptic number.

It is an amenable number.

108228946249 is a deficient number, since it is larger than the sum of its proper divisors (1).

108228946249 is an equidigital number, since it uses as much as digits as its factorization.

108228946249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 108228946249 in words is "one hundred eight billion, two hundred twenty-eight million, nine hundred forty-six thousand, two hundred forty-nine".