59609603681 has 2 divisors, whose sum is σ = 59609603682. Its totient is φ = 59609603680.

The previous prime is 59609603663. The next prime is 59609603717. The reversal of 59609603681 is 18630690695.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51886006225 + 7723597456 = 227785^2 + 87884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-59609603681 is a prime.

It is a super-2 number, since 2×59609603681² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (59600603681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29804801840 + 29804801841.

It is an arithmetic number, because the mean of its divisors is an integer number (29804801841).

Almost surely, 2^59609603681 is an apocalyptic number.

It is an amenable number.

59609603681 is a deficient number, since it is larger than the sum of its proper divisors (1).

59609603681 is an equidigital number, since it uses as much as digits as its factorization.

59609603681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 59609603681 in words is "fifty-nine billion, six hundred nine million, six hundred three thousand, six hundred eighty-one".