28342916343 has 12 divisors (see below), whose sum is σ = 46788306448. Its totient is φ = 16195952160.

The previous prime is 28342916323. The next prime is 28342916359. The reversal of 28342916343 is 34361924382.

28342916343 is a `hidden beast` number, since 2 + 8 + 3 + 4 + 2 + 9 + 1 + 634 + 3 = 666.

It is not a de Polignac number, because 28342916343 - 2⁶ = 28342916279 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 (28342916323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224943718 + ... + 224943843.

Almost surely, 2^28342916343 is an apocalyptic number.

28342916343 is a deficient number, since it is larger than the sum of its proper divisors (18445390105).

28342916343 is a wasteful number, since it uses less digits than its factorization.

28342916343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449887574 (or 449887571 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 28342916343 in words is "twenty-eight billion, three hundred forty-two million, nine hundred sixteen thousand, three hundred forty-three".