4389452149 has 2 divisors, whose sum is σ = 4389452150. Its totient is φ = 4389452148.

The previous prime is 4389452147. The next prime is 4389452183. The reversal of 4389452149 is 9412549834.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3364812049 + 1024640100 = 58007^2 + 32010^2 .

It is a cyclic number.

It is not a de Polignac number, because 4389452149 - 2¹ = 4389452147 is a prime.

Together with 4389452147, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4389452147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194726074 + 2194726075.

It is an arithmetic number, because the mean of its divisors is an integer number (2194726075).

Almost surely, 2^4389452149 is an apocalyptic number.

It is an amenable number.

4389452149 is a deficient number, since it is larger than the sum of its proper divisors (1).

4389452149 is an equidigital number, since it uses as much as digits as its factorization.

4389452149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 49.

The square root of 4389452149 is about 66252.9406819048. The cubic root of 4389452149 is about 1637.3320876249.

The spelling of 4389452149 in words is "four billion, three hundred eighty-nine million, four hundred fifty-two thousand, one hundred forty-nine".