42819268078453 has 2 divisors, whose sum is σ = 42819268078454. Its totient is φ = 42819268078452.

The previous prime is 42819268078409. The next prime is 42819268078459. The reversal of 42819268078453 is 35487086291824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23909928889284 + 18909339189169 = 4889778^2 + 4348487^2 .

It is a cyclic number.

It is not a de Polignac number, because 42819268078453 - 2³⁷ = 42681829124981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42819268078459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21409634039226 + 21409634039227.

It is an arithmetic number, because the mean of its divisors is an integer number (21409634039227).

It is a 1-persistent number, because it is pandigital, but 2⋅42819268078453 = 85638536156906 is not.

Almost surely, 2^{42819268078453} is an apocalyptic number.

It is an amenable number.

42819268078453 is a deficient number, since it is larger than the sum of its proper divisors (1).

42819268078453 is an equidigital number, since it uses as much as digits as its factorization.

42819268078453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 185794560, while the sum is 67.

The spelling of 42819268078453 in words is "forty-two trillion, eight hundred nineteen billion, two hundred sixty-eight million, seventy-eight thousand, four hundred fifty-three".