538897289633 has 2 divisors, whose sum is σ = 538897289634. Its totient is φ = 538897289632.

The previous prime is 538897289627. The next prime is 538897289713. The reversal of 538897289633 is 336982798835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371163629824 + 167733659809 = 609232^2 + 409553^2 .

It is a cyclic number.

It is not a de Polignac number, because 538897289633 - 2¹⁰ = 538897288609 is a prime.

It is not a weakly prime, because it can be changed into another prime (538897289033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269448644816 + 269448644817.

It is an arithmetic number, because the mean of its divisors is an integer number (269448644817).

Almost surely, 2^538897289633 is an apocalyptic number.

It is an amenable number.

538897289633 is a deficient number, since it is larger than the sum of its proper divisors (1).

538897289633 is an equidigital number, since it uses as much as digits as its factorization.

538897289633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470292480, while the sum is 71.

The spelling of 538897289633 in words is "five hundred thirty-eight billion, eight hundred ninety-seven million, two hundred eighty-nine thousand, six hundred thirty-three".