451212043433 has 2 divisors, whose sum is σ = 451212043434. Its totient is φ = 451212043432.

The previous prime is 451212043369. The next prime is 451212043439. The reversal of 451212043433 is 334340212154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248070736489 + 203141306944 = 498067^2 + 450712^2 .

It is a cyclic number.

It is not a de Polignac number, because 451212043433 - 2⁶ = 451212043369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 451212043433.

It is not a weakly prime, because it can be changed into another prime (451212043439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225606021716 + 225606021717.

It is an arithmetic number, because the mean of its divisors is an integer number (225606021717).

Almost surely, 2^451212043433 is an apocalyptic number.

It is an amenable number.

451212043433 is a deficient number, since it is larger than the sum of its proper divisors (1).

451212043433 is an equidigital number, since it uses as much as digits as its factorization.

451212043433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 451212043433 its reverse (334340212154), we get a palindrome (785552255587).

The spelling of 451212043433 in words is "four hundred fifty-one billion, two hundred twelve million, forty-three thousand, four hundred thirty-three".