3439441639 has 4 divisors (see below), whose sum is σ = 3497737320. Its totient is φ = 3381145960.

The previous prime is 3439441637. The next prime is 3439441669. The reversal of 3439441639 is 9361449343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3439441639 - 2¹ = 3439441637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3439441631) 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 3 ways as a sum of consecutive naturals, for example, 29147752 + ... + 29147869.

It is an arithmetic number, because the mean of its divisors is an integer number (874434330).

Almost surely, 2^3439441639 is an apocalyptic number.

3439441639 is a deficient number, since it is larger than the sum of its proper divisors (58295681).

3439441639 is an equidigital number, since it uses as much as digits as its factorization.

3439441639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58295680.

The product of its digits is 839808, while the sum is 46.

The square root of 3439441639 is about 58646.7530132743. The cubic root of 3439441639 is about 1509.4867836168.

The spelling of 3439441639 in words is "three billion, four hundred thirty-nine million, four hundred forty-one thousand, six hundred thirty-nine".