253450322555393 has 2 divisors, whose sum is σ = 253450322555394. Its totient is φ = 253450322555392.

The previous prime is 253450322555329. The next prime is 253450322555431. The reversal of 253450322555393 is 393555223054352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202279591585009 + 51170730970384 = 14222503^2 + 7153372^2 .

It is a cyclic number.

It is not a de Polignac number, because 253450322555393 - 2⁶ = 253450322555329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (253450322555893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126725161277696 + 126725161277697.

It is an arithmetic number, because the mean of its divisors is an integer number (126725161277697).

Almost surely, 2^{253450322555393} is an apocalyptic number.

It is an amenable number.

253450322555393 is a deficient number, since it is larger than the sum of its proper divisors (1).

253450322555393 is an equidigital number, since it uses as much as digits as its factorization.

253450322555393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900000, while the sum is 56.

The spelling of 253450322555393 in words is "two hundred fifty-three trillion, four hundred fifty billion, three hundred twenty-two million, five hundred fifty-five thousand, three hundred ninety-three".