42203325553 has 2 divisors, whose sum is σ = 42203325554. Its totient is φ = 42203325552.

The previous prime is 42203325529. The next prime is 42203325583. The reversal of 42203325553 is 35552330224.

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., 41637218704 + 566106849 = 204052^2 + 23793^2 .

It is a cyclic number.

It is not a de Polignac number, because 42203325553 - 2²¹ = 42201228401 is a prime.

It is a super-2 number, since 2×42203325553² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42203325583) 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, 21101662776 + 21101662777.

It is an arithmetic number, because the mean of its divisors is an integer number (21101662777).

Almost surely, 2^42203325553 is an apocalyptic number.

It is an amenable number.

42203325553 is a deficient number, since it is larger than the sum of its proper divisors (1).

42203325553 is an equidigital number, since it uses as much as digits as its factorization.

42203325553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 42203325553 its reverse (35552330224), we get a palindrome (77755655777).

The spelling of 42203325553 in words is "forty-two billion, two hundred three million, three hundred twenty-five thousand, five hundred fifty-three".