4249589638 has 32 divisors (see below), whose sum is σ = 7655940864. Its totient is φ = 1730810592.

The previous prime is 4249589633. The next prime is 4249589651. The reversal of 4249589638 is 8369859424.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249589633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73120 + ... + 117667.

It is an arithmetic number, because the mean of its divisors is an integer number (239248152).

Almost surely, 2^4249589638 is an apocalyptic number.

4249589638 is a deficient number, since it is larger than the sum of its proper divisors (3406351226).

4249589638 is a wasteful number, since it uses less digits than its factorization.

4249589638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190876.

The product of its digits is 14929920, while the sum is 58.

The square root of 4249589638 is about 65188.8766431820. The cubic root of 4249589638 is about 1619.7537650949.

The spelling of 4249589638 in words is "four billion, two hundred forty-nine million, five hundred eighty-nine thousand, six hundred thirty-eight".