538933445837 has 2 divisors, whose sum is σ = 538933445838. Its totient is φ = 538933445836.

The previous prime is 538933445801. The next prime is 538933445861. The reversal of 538933445837 is 738544339835.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370717805956 + 168215639881 = 608866^2 + 410141^2 .

It is a cyclic number.

It is not a de Polignac number, because 538933445837 - 2¹⁰ = 538933444813 is a prime.

It is a super-2 number, since 2×538933445837² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 538933445837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538933445437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269466722918 + 269466722919.

It is an arithmetic number, because the mean of its divisors is an integer number (269466722919).

Almost surely, 2^538933445837 is an apocalyptic number.

It is an amenable number.

538933445837 is a deficient number, since it is larger than the sum of its proper divisors (1).

538933445837 is an equidigital number, since it uses as much as digits as its factorization.

538933445837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130636800, while the sum is 62.

The spelling of 538933445837 in words is "five hundred thirty-eight billion, nine hundred thirty-three million, four hundred forty-five thousand, eight hundred thirty-seven".