60518394509 has 2 divisors, whose sum is σ = 60518394510. Its totient is φ = 60518394508.

The previous prime is 60518394493. The next prime is 60518394617. The reversal of 60518394509 is 90549381506.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56333598409 + 4184796100 = 237347^2 + 64690^2 .

It is a cyclic number.

It is not a de Polignac number, because 60518394509 - 2⁴ = 60518394493 is a prime.

It is a super-2 number, since 2×60518394509² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60518394109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30259197254 + 30259197255.

It is an arithmetic number, because the mean of its divisors is an integer number (30259197255).

Almost surely, 2^60518394509 is an apocalyptic number.

It is an amenable number.

60518394509 is a deficient number, since it is larger than the sum of its proper divisors (1).

60518394509 is an equidigital number, since it uses as much as digits as its factorization.

60518394509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 60518394509 in words is "sixty billion, five hundred eighteen million, three hundred ninety-four thousand, five hundred nine".