264432209633 has 2 divisors, whose sum is σ = 264432209634. Its totient is φ = 264432209632.

The previous prime is 264432209627. The next prime is 264432209689. The reversal of 264432209633 is 336902234462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258274354849 + 6157854784 = 508207^2 + 78472^2 .

It is a cyclic number.

It is not a de Polignac number, because 264432209633 - 2⁴ = 264432209617 is a prime.

It is not a weakly prime, because it can be changed into another prime (264432209693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132216104816 + 132216104817.

It is an arithmetic number, because the mean of its divisors is an integer number (132216104817).

Almost surely, 2^264432209633 is an apocalyptic number.

It is an amenable number.

264432209633 is a deficient number, since it is larger than the sum of its proper divisors (1).

264432209633 is an equidigital number, since it uses as much as digits as its factorization.

264432209633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 44.

The spelling of 264432209633 in words is "two hundred sixty-four billion, four hundred thirty-two million, two hundred nine thousand, six hundred thirty-three".