538858560797 has 2 divisors, whose sum is σ = 538858560798. Its totient is φ = 538858560796.

The previous prime is 538858560763. The next prime is 538858560841. The reversal of 538858560797 is 797065858835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 448865160676 + 89993400121 = 669974^2 + 299989^2 .

It is a cyclic number.

It is not a de Polignac number, because 538858560797 - 2⁶ = 538858560733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538858560797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538858560197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269429280398 + 269429280399.

It is an arithmetic number, because the mean of its divisors is an integer number (269429280399).

Almost surely, 2^538858560797 is an apocalyptic number.

It is an amenable number.

538858560797 is a deficient number, since it is larger than the sum of its proper divisors (1).

538858560797 is an equidigital number, since it uses as much as digits as its factorization.

538858560797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032000, while the sum is 71.

The spelling of 538858560797 in words is "five hundred thirty-eight billion, eight hundred fifty-eight million, five hundred sixty thousand, seven hundred ninety-seven".