15448648339 has 4 divisors (see below), whose sum is σ = 15453067000. Its totient is φ = 15444229680.

The previous prime is 15448648333. The next prime is 15448648367. The reversal of 15448648339 is 93384684451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93384684451 = 563 ⋅165869777.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15448648339 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 15448648339.

It is not an unprimeable number, because it can be changed into a prime (15448648333) 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, 2204082 + ... + 2211079.

It is an arithmetic number, because the mean of its divisors is an integer number (3863266750).

Almost surely, 2^15448648339 is an apocalyptic number.

15448648339 is a deficient number, since it is larger than the sum of its proper divisors (4418661).

15448648339 is an equidigital number, since it uses as much as digits as its factorization.

15448648339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418660.

The product of its digits is 9953280, while the sum is 55.

It can be divided in two parts, 1544864 and 8339, that added together give a triangular number (1553203 = T₁₇₆₂).

The spelling of 15448648339 in words is "fifteen billion, four hundred forty-eight million, six hundred forty-eight thousand, three hundred thirty-nine".