538201869533 has 2 divisors, whose sum is σ = 538201869534. Its totient is φ = 538201869532.

The previous prime is 538201869493. The next prime is 538201869563. The reversal of 538201869533 is 335968102835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393526618489 + 144675251044 = 627317^2 + 380362^2 .

It is a cyclic number.

It is not a de Polignac number, because 538201869533 - 2⁸ = 538201869277 is a prime.

It is a super-2 number, since 2×538201869533² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538201869563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269100934766 + 269100934767.

It is an arithmetic number, because the mean of its divisors is an integer number (269100934767).

Almost surely, 2^538201869533 is an apocalyptic number.

It is an amenable number.

538201869533 is a deficient number, since it is larger than the sum of its proper divisors (1).

538201869533 is an equidigital number, since it uses as much as digits as its factorization.

538201869533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 538201869533 in words is "five hundred thirty-eight billion, two hundred one million, eight hundred sixty-nine thousand, five hundred thirty-three".