4249438389 has 32 divisors (see below), whose sum is σ = 7225770240. Its totient is φ = 2417803776.

The previous prime is 4249438363. The next prime is 4249438397. The reversal of 4249438389 is 9838349424.

4249438389 is a `hidden beast` number, since 42 + 494 + 38 + 3 + 89 = 666.

It is not a de Polignac number, because 4249438389 - 2⁷ = 4249438261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249438489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4212 + ... + 92285.

It is an arithmetic number, because the mean of its divisors is an integer number (225805320).

Almost surely, 2^4249438389 is an apocalyptic number.

It is an amenable number.

4249438389 is a deficient number, since it is larger than the sum of its proper divisors (2976331851).

4249438389 is a wasteful number, since it uses less digits than its factorization.

4249438389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96746 (or 96740 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The square root of 4249438389 is about 65187.7165499759. The cubic root of 4249438389 is about 1619.7345484125.

The spelling of 4249438389 in words is "four billion, two hundred forty-nine million, four hundred thirty-eight thousand, three hundred eighty-nine".