4139097638 has 12 divisors (see below), whose sum is σ = 6722972748. Its totient is φ = 1910352600.

The previous prime is 4139097637. The next prime is 4139097643. The reversal of 4139097638 is 8367909314.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139097637) 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 5 ways as a sum of consecutive naturals, for example, 6122588 + ... + 6123263.

It is an arithmetic number, because the mean of its divisors is an integer number (560247729).

Almost surely, 2^4139097638 is an apocalyptic number.

4139097638 is a deficient number, since it is larger than the sum of its proper divisors (2583875110).

4139097638 is a wasteful number, since it uses less digits than its factorization.

4139097638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12245879 (or 12245866 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 4139097638 is about 64335.8192455805. The cubic root of 4139097638 is about 1605.5921040770.

The spelling of 4139097638 in words is "four billion, one hundred thirty-nine million, ninety-seven thousand, six hundred thirty-eight".