4038869899439 has 4 divisors (see below), whose sum is σ = 4038920247624. Its totient is φ = 4038819551256.

The previous prime is 4038869899403. The next prime is 4038869899451. The reversal of 4038869899439 is 9349989688304.

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-4038869899439 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 (4038869899039) 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, 25053572 + ... + 25214265.

It is an arithmetic number, because the mean of its divisors is an integer number (1009730061906).

Almost surely, 2^{4038869899439} is an apocalyptic number.

4038869899439 is a deficient number, since it is larger than the sum of its proper divisors (50348185).

4038869899439 is an equidigital number, since it uses as much as digits as its factorization.

4038869899439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50348184.

The product of its (nonzero) digits is 2902376448, while the sum is 80.

The spelling of 4038869899439 in words is "four trillion, thirty-eight billion, eight hundred sixty-nine million, eight hundred ninety-nine thousand, four hundred thirty-nine".