538060060781 has 2 divisors, whose sum is σ = 538060060782. Its totient is φ = 538060060780.

The previous prime is 538060060739. The next prime is 538060060823. The reversal of 538060060781 is 187060060835.

It is a balanced prime because it is at equal distance from previous prime (538060060739) and next prime (538060060823).

It can be written as a sum of positive squares in only one way, i.e., 535172718025 + 2887342756 = 731555^2 + 53734^2 .

It is a cyclic number.

It is not a de Polignac number, because 538060060781 - 2⁶ = 538060060717 is a prime.

It is a super-2 number, since 2×538060060781² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538060060721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269030030390 + 269030030391.

It is an arithmetic number, because the mean of its divisors is an integer number (269030030391).

Almost surely, 2^538060060781 is an apocalyptic number.

It is an amenable number.

538060060781 is a deficient number, since it is larger than the sum of its proper divisors (1).

538060060781 is an equidigital number, since it uses as much as digits as its factorization.

538060060781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 538060060781 in words is "five hundred thirty-eight billion, sixty million, sixty thousand, seven hundred eighty-one".