4139472906 has 12 divisors (see below), whose sum is σ = 8968858002. Its totient is φ = 1379824296.

The previous prime is 4139472901. The next prime is 4139472917. The reversal of 4139472906 is 6092749314.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3801832281 + 337640625 = 61659^2 + 18375^2 .

It is not an unprimeable number, because it can be changed into a prime (4139472901) 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 5 ways as a sum of consecutive naturals, for example, 114985341 + ... + 114985376.

Almost surely, 2^4139472906 is an apocalyptic number.

4139472906 is an abundant number, since it is smaller than the sum of its proper divisors (4829385096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4139472906 is a wasteful number, since it uses less digits than its factorization.

4139472906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229970725 (or 229970722 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 4139472906 is about 64338.7356574560. The cubic root of 4139472906 is about 1605.6406258549.

The spelling of 4139472906 in words is "four billion, one hundred thirty-nine million, four hundred seventy-two thousand, nine hundred six".