42203103954593 has 2 divisors, whose sum is σ = 42203103954594. Its totient is φ = 42203103954592.

The previous prime is 42203103954587. The next prime is 42203103954601. The reversal of 42203103954593 is 39545930130224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29989281205009 + 12213822749584 = 5476247^2 + 3494828^2 .

It is a cyclic number.

It is not a de Polignac number, because 42203103954593 - 2²⁸ = 42202835519137 is a prime.

It is a super-2 number, since 2×42203103954593² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42203103954523) 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, 21101551977296 + 21101551977297.

It is an arithmetic number, because the mean of its divisors is an integer number (21101551977297).

Almost surely, 2^{42203103954593} is an apocalyptic number.

It is an amenable number.

42203103954593 is a deficient number, since it is larger than the sum of its proper divisors (1).

42203103954593 is an equidigital number, since it uses as much as digits as its factorization.

42203103954593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 42203103954593 in words is "forty-two trillion, two hundred three billion, one hundred three million, nine hundred fifty-four thousand, five hundred ninety-three".