5639004672 has 120 divisors (see below), whose sum is σ = 17475573456. Its totient is φ = 1611122688.

The previous prime is 5639004619. The next prime is 5639004677. The reversal of 5639004672 is 2764009365.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (5639004677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37803 + ... + 112725.

Almost surely, 2^5639004672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5639004672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8737786728).

5639004672 is an abundant number, since it is smaller than the sum of its proper divisors (11836568784).

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

5639004672 is an equidigital number, since it uses as much as digits as its factorization.

5639004672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74958 (or 74935 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 5639004672 is about 75093.3064393891. The cubic root of 5639004672 is about 1779.9213734575.

The spelling of 5639004672 in words is "five billion, six hundred thirty-nine million, four thousand, six hundred seventy-two".