28342284541 has 4 divisors (see below), whose sum is σ = 28343295232. Its totient is φ = 28341273852.

The previous prime is 28342284499. The next prime is 28342284577. The reversal of 28342284541 is 14548224382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28342284541 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 (28342284041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462045 + ... + 519778.

It is an arithmetic number, because the mean of its divisors is an integer number (7085823808).

Almost surely, 2^28342284541 is an apocalyptic number.

It is an amenable number.

28342284541 is a deficient number, since it is larger than the sum of its proper divisors (1010691).

28342284541 is an equidigital number, since it uses as much as digits as its factorization.

28342284541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010690.

The product of its digits is 491520, while the sum is 43.

The spelling of 28342284541 in words is "twenty-eight billion, three hundred forty-two million, two hundred eighty-four thousand, five hundred forty-one".