64451122433 has 2 divisors, whose sum is σ = 64451122434. Its totient is φ = 64451122432.

The previous prime is 64451122387. The next prime is 64451122499. The reversal of 64451122433 is 33422115446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42061087744 + 22390034689 = 205088^2 + 149633^2 .

It is a cyclic number.

It is not a de Polignac number, because 64451122433 - 2¹⁸ = 64450860289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64451122393 and 64451122402.

It is not a weakly prime, because it can be changed into another prime (64451122133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32225561216 + 32225561217.

It is an arithmetic number, because the mean of its divisors is an integer number (32225561217).

Almost surely, 2^64451122433 is an apocalyptic number.

It is an amenable number.

64451122433 is a deficient number, since it is larger than the sum of its proper divisors (1).

64451122433 is an equidigital number, since it uses as much as digits as its factorization.

64451122433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 35.

Adding to 64451122433 its reverse (33422115446), we get a palindrome (97873237879).

The spelling of 64451122433 in words is "sixty-four billion, four hundred fifty-one million, one hundred twenty-two thousand, four hundred thirty-three".