452531108734421 has 2 divisors, whose sum is σ = 452531108734422. Its totient is φ = 452531108734420.

The previous prime is 452531108734391. The next prime is 452531108734493. The reversal of 452531108734421 is 124437801135254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309892014062500 + 142639094671921 = 17603750^2 + 11943161^2 .

It is a cyclic number.

It is not a de Polignac number, because 452531108734421 - 2¹⁰ = 452531108733397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 452531108734421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452531108734021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226265554367210 + 226265554367211.

It is an arithmetic number, because the mean of its divisors is an integer number (226265554367211).

Almost surely, 2^{452531108734421} is an apocalyptic number.

It is an amenable number.

452531108734421 is a deficient number, since it is larger than the sum of its proper divisors (1).

452531108734421 is an equidigital number, since it uses as much as digits as its factorization.

452531108734421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 50.

Adding to 452531108734421 its reverse (124437801135254), we get a palindrome (576968909869675).

The spelling of 452531108734421 in words is "four hundred fifty-two trillion, five hundred thirty-one billion, one hundred eight million, seven hundred thirty-four thousand, four hundred twenty-one".