28454484873043 has 4 divisors (see below), whose sum is σ = 28454513512320. Its totient is φ = 28454456233768.

The previous prime is 28454484873013. The next prime is 28454484873047. The reversal of 28454484873043 is 34037848445482.

It is a happy number.

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 28454484873043 - 2¹⁷ = 28454484741971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28454484873047) 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, 12773683 + ... + 14834956.

It is an arithmetic number, because the mean of its divisors is an integer number (7113628378080).

Almost surely, 2^{28454484873043} is an apocalyptic number.

28454484873043 is a deficient number, since it is larger than the sum of its proper divisors (28639277).

28454484873043 is a wasteful number, since it uses less digits than its factorization.

28454484873043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28639276.

The product of its (nonzero) digits is 330301440, while the sum is 64.

The spelling of 28454484873043 in words is "twenty-eight trillion, four hundred fifty-four billion, four hundred eighty-four million, eight hundred seventy-three thousand, forty-three".