4229139538 has 16 divisors (see below), whose sum is σ = 7233551640. Its totient is φ = 1837092096.

The previous prime is 4229139533. The next prime is 4229139539. The reversal of 4229139538 is 8359319224.

It can be written as a sum of positive squares in 4 ways, for example, as 2534417649 + 1694721889 = 50343^2 + 41167^2 .

It is not an unprimeable number, because it can be changed into a prime (4229139533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4783653 + ... + 4784536.

Almost surely, 2^4229139538 is an apocalyptic number.

4229139538 is a deficient number, since it is larger than the sum of its proper divisors (3004412102).

4229139538 is a wasteful number, since it uses less digits than its factorization.

4229139538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9568221.

The product of its digits is 466560, while the sum is 46.

The square root of 4229139538 is about 65031.8348041942. The cubic root of 4229139538 is about 1617.1513645733.

The spelling of 4229139538 in words is "four billion, two hundred twenty-nine million, one hundred thirty-nine thousand, five hundred thirty-eight".