4047372639 has 12 divisors (see below), whose sum is σ = 5864886976. Its totient is φ = 2689625952.

The previous prime is 4047372611. The next prime is 4047372643. The reversal of 4047372639 is 9362737404.

4047372639 is a `hidden beast` number, since 4 + 0 + 4 + 7 + 3 + 7 + 2 + 639 = 666.

It is not a de Polignac number, because 4047372639 - 2⁵ = 4047372607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4047372594 and 4047372603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4047372839) 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 11 ways as a sum of consecutive naturals, for example, 715567 + ... + 721200.

Almost surely, 2^4047372639 is an apocalyptic number.

4047372639 is a deficient number, since it is larger than the sum of its proper divisors (1817514337).

4047372639 is a wasteful number, since it uses less digits than its factorization.

4047372639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437086 (or 1437083 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The square root of 4047372639 is about 63618.9644602928. The cubic root of 4047372639 is about 1593.6430893729.

The spelling of 4047372639 in words is "four billion, forty-seven million, three hundred seventy-two thousand, six hundred thirty-nine".