28135319743 has 4 divisors (see below), whose sum is σ = 28167922368. Its totient is φ = 28102717120.

The previous prime is 28135319741. The next prime is 28135319801. The reversal of 28135319743 is 34791353182.

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

It is a cyclic number.

It is not a de Polignac number, because 28135319743 - 2¹ = 28135319741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28135319693 and 28135319702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28135319741) 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 3 ways as a sum of consecutive naturals, for example, 16300018 + ... + 16301743.

It is an arithmetic number, because the mean of its divisors is an integer number (7041980592).

Almost surely, 2^28135319743 is an apocalyptic number.

28135319743 is a deficient number, since it is larger than the sum of its proper divisors (32602625).

28135319743 is an equidigital number, since it uses as much as digits as its factorization.

28135319743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32602624.

The product of its digits is 544320, while the sum is 46.

The spelling of 28135319743 in words is "twenty-eight billion, one hundred thirty-five million, three hundred nineteen thousand, seven hundred forty-three".