28913936453 has 2 divisors, whose sum is σ = 28913936454. Its totient is φ = 28913936452.

The previous prime is 28913936423. The next prime is 28913936501. The reversal of 28913936453 is 35463931982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25888166404 + 3025770049 = 160898^2 + 55007^2 .

It is a cyclic number.

It is not a de Polignac number, because 28913936453 - 2¹⁶ = 28913870917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28913936395 and 28913936404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28913936423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14456968226 + 14456968227.

It is an arithmetic number, because the mean of its divisors is an integer number (14456968227).

Almost surely, 2^28913936453 is an apocalyptic number.

It is an amenable number.

28913936453 is a deficient number, since it is larger than the sum of its proper divisors (1).

28913936453 is an equidigital number, since it uses as much as digits as its factorization.

28913936453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 53.

The spelling of 28913936453 in words is "twenty-eight billion, nine hundred thirteen million, nine hundred thirty-six thousand, four hundred fifty-three".