28453267744093 has 2 divisors, whose sum is σ = 28453267744094. Its totient is φ = 28453267744092.

The previous prime is 28453267744091. The next prime is 28453267744151. The reversal of 28453267744093 is 39044776235482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25027577601049 + 3425690143044 = 5002757^2 + 1850862^2 .

It is a cyclic number.

It is not a de Polignac number, because 28453267744093 - 2¹ = 28453267744091 is a prime.

Together with 28453267744091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28453267744091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14226633872046 + 14226633872047.

It is an arithmetic number, because the mean of its divisors is an integer number (14226633872047).

Almost surely, 2^{28453267744093} is an apocalyptic number.

It is an amenable number.

28453267744093 is a deficient number, since it is larger than the sum of its proper divisors (1).

28453267744093 is an equidigital number, since it uses as much as digits as its factorization.

28453267744093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243855360, while the sum is 64.

The spelling of 28453267744093 in words is "twenty-eight trillion, four hundred fifty-three billion, two hundred sixty-seven million, seven hundred forty-four thousand, ninety-three".