2329639638 has 32 divisors (see below), whose sum is σ = 4775988096. Its totient is φ = 757158528.

The previous prime is 2329639589. The next prime is 2329639649. The reversal of 2329639638 is 8369369232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145381 + ... + 160607.

It is an arithmetic number, because the mean of its divisors is an integer number (149249628).

Almost surely, 2^2329639638 is an apocalyptic number.

2329639638 is an abundant number, since it is smaller than the sum of its proper divisors (2446348458).

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

2329639638 is a wasteful number, since it uses less digits than its factorization.

2329639638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15868.

The product of its digits is 2519424, while the sum is 51.

The square root of 2329639638 is about 48266.3406319559. The cubic root of 2329639638 is about 1325.6521556193.

The spelling of 2329639638 in words is "two billion, three hundred twenty-nine million, six hundred thirty-nine thousand, six hundred thirty-eight".