4639472439 has 48 divisors (see below), whose sum is σ = 7711930368. Its totient is φ = 2467257408.

The previous prime is 4639472429. The next prime is 4639472473. The reversal of 4639472439 is 9342749364.

It is not a de Polignac number, because 4639472439 - 2⁷ = 4639472311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4639472391 and 4639472400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4639472429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106554 + ... + 143640.

It is an arithmetic number, because the mean of its divisors is an integer number (160665216).

Almost surely, 2^4639472439 is an apocalyptic number.

4639472439 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4639472439 is a deficient number, since it is larger than the sum of its proper divisors (3072457929).

4639472439 is a wasteful number, since it uses less digits than its factorization.

4639472439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37164 (or 37157 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 51.

The square root of 4639472439 is about 68113.6729225491. The cubic root of 4639472439 is about 1667.8469677274.

The spelling of 4639472439 in words is "four billion, six hundred thirty-nine million, four hundred seventy-two thousand, four hundred thirty-nine".