61642014434317 has 2 divisors, whose sum is σ = 61642014434318. Its totient is φ = 61642014434316.

The previous prime is 61642014434281. The next prime is 61642014434327. The reversal of 61642014434317 is 71343441024616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60663707493481 + 978306940836 = 7788691^2 + 989094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61642014434317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61642014434327) 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, 30821007217158 + 30821007217159.

It is an arithmetic number, because the mean of its divisors is an integer number (30821007217159).

Almost surely, 2^{61642014434317} is an apocalyptic number.

It is an amenable number.

61642014434317 is a deficient number, since it is larger than the sum of its proper divisors (1).

61642014434317 is an equidigital number, since it uses as much as digits as its factorization.

61642014434317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 61642014434317 in words is "sixty-one trillion, six hundred forty-two billion, fourteen million, four hundred thirty-four thousand, three hundred seventeen".