538188033709 has 2 divisors, whose sum is σ = 538188033710. Its totient is φ = 538188033708.

The previous prime is 538188033611. The next prime is 538188033737. The reversal of 538188033709 is 907330881835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501200282025 + 36987751684 = 707955^2 + 192322^2 .

It is a cyclic number.

It is not a de Polignac number, because 538188033709 - 2²¹ = 538185936557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538188033709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538188033739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269094016854 + 269094016855.

It is an arithmetic number, because the mean of its divisors is an integer number (269094016855).

Almost surely, 2^538188033709 is an apocalyptic number.

It is an amenable number.

538188033709 is a deficient number, since it is larger than the sum of its proper divisors (1).

538188033709 is an equidigital number, since it uses as much as digits as its factorization.

538188033709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 538188033709 in words is "five hundred thirty-eight billion, one hundred eighty-eight million, thirty-three thousand, seven hundred nine".