4344909647439 has 4 divisors (see below), whose sum is σ = 5793212863256. Its totient is φ = 2896606431624.

The previous prime is 4344909647431. The next prime is 4344909647459. The reversal of 4344909647439 is 9347469094434.

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

It is not a de Polignac number, because 4344909647439 - 2³ = 4344909647431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4344909647439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4344909647431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724151607904 + ... + 724151607909.

It is an arithmetic number, because the mean of its divisors is an integer number (1448303215814).

Almost surely, 2^{4344909647439} is an apocalyptic number.

4344909647439 is a deficient number, since it is larger than the sum of its proper divisors (1448303215817).

4344909647439 is a wasteful number, since it uses less digits than its factorization.

4344909647439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448303215816.

The product of its (nonzero) digits is 282175488, while the sum is 66.

The spelling of 4344909647439 in words is "four trillion, three hundred forty-four billion, nine hundred nine million, six hundred forty-seven thousand, four hundred thirty-nine".