13791244439 has 8 divisors (see below), whose sum is σ = 15763974048. Its totient is φ = 11819152800.

The previous prime is 13791244391. The next prime is 13791244463. The reversal of 13791244439 is 93444219731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13791244439 - 2¹² = 13791240343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13791244393 and 13791244402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13791244739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112232 + ... + 200445.

It is an arithmetic number, because the mean of its divisors is an integer number (1970496756).

Almost surely, 2^13791244439 is an apocalyptic number.

13791244439 is a deficient number, since it is larger than the sum of its proper divisors (1972729609).

13791244439 is an equidigital number, since it uses as much as digits as its factorization.

13791244439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318985.

The product of its digits is 653184, while the sum is 47.

The spelling of 13791244439 in words is "thirteen billion, seven hundred ninety-one million, two hundred forty-four thousand, four hundred thirty-nine".