4425686149 has 2 divisors, whose sum is σ = 4425686150. Its totient is φ = 4425686148.

The previous prime is 4425686147. The next prime is 4425686257. The reversal of 4425686149 is 9416865244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2966980900 + 1458705249 = 54470^2 + 38193^2 .

It is a cyclic number.

It is not a de Polignac number, because 4425686149 - 2¹ = 4425686147 is a prime.

Together with 4425686147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4425686147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212843074 + 2212843075.

It is an arithmetic number, because the mean of its divisors is an integer number (2212843075).

Almost surely, 2^4425686149 is an apocalyptic number.

It is an amenable number.

4425686149 is a deficient number, since it is larger than the sum of its proper divisors (1).

4425686149 is an equidigital number, since it uses as much as digits as its factorization.

4425686149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 49.

The square root of 4425686149 is about 66525.8306900410. The cubic root of 4425686149 is about 1641.8250242676.

The spelling of 4425686149 in words is "four billion, four hundred twenty-five million, six hundred eighty-six thousand, one hundred forty-nine".