4944139199 has 4 divisors (see below), whose sum is σ = 4944290736. Its totient is φ = 4943987664.

The previous prime is 4944139181. The next prime is 4944139231. The reversal of 4944139199 is 9919314494.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4944139199 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 4944139199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4944139399) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4454 + ... + 99539.

It is an arithmetic number, because the mean of its divisors is an integer number (1236072684).

Almost surely, 2^4944139199 is an apocalyptic number.

4944139199 is a deficient number, since it is larger than the sum of its proper divisors (151537).

4944139199 is a wasteful number, since it uses less digits than its factorization.

4944139199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151536.

The product of its digits is 1259712, while the sum is 53.

The square root of 4944139199 is about 70314.5731623253. The cubic root of 4944139199 is about 1703.5840417129.

The spelling of 4944139199 in words is "four billion, nine hundred forty-four million, one hundred thirty-nine thousand, one hundred ninety-nine".