59389678661 has 2 divisors, whose sum is σ = 59389678662. Its totient is φ = 59389678660.

The previous prime is 59389678639. The next prime is 59389678679. The reversal of 59389678661 is 16687698395.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38799150625 + 20590528036 = 196975^2 + 143494^2 .

It is a cyclic number.

It is not a de Polignac number, because 59389678661 - 2²² = 59385484357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 59389678591 and 59389678600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59389618661) 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, 29694839330 + 29694839331.

It is an arithmetic number, because the mean of its divisors is an integer number (29694839331).

Almost surely, 2^59389678661 is an apocalyptic number.

It is an amenable number.

59389678661 is a deficient number, since it is larger than the sum of its proper divisors (1).

59389678661 is an equidigital number, since it uses as much as digits as its factorization.

59389678661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 68.

The spelling of 59389678661 in words is "fifty-nine billion, three hundred eighty-nine million, six hundred seventy-eight thousand, six hundred sixty-one".