28344053519 has 8 divisors (see below), whose sum is σ = 29580515712. Its totient is φ = 27107934040.

The previous prime is 28344053509. The next prime is 28344053609. The reversal of 28344053519 is 91535044382.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28344053519 is a prime.

It is a super-2 number, since 2×28344053519² (a number of 22 digits) contains 22 as substring.

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 28344053519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28344053509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91124 + ... + 254934.

It is an arithmetic number, because the mean of its divisors is an integer number (3697564464).

Almost surely, 2^28344053519 is an apocalyptic number.

28344053519 is a deficient number, since it is larger than the sum of its proper divisors (1236462193).

28344053519 is a wasteful number, since it uses less digits than its factorization.

28344053519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171357.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 28344053519 in words is "twenty-eight billion, three hundred forty-four million, fifty-three thousand, five hundred nineteen".