42730500677 has 2 divisors, whose sum is σ = 42730500678. Its totient is φ = 42730500676.

The previous prime is 42730500643. The next prime is 42730500707. The reversal of 42730500677 is 77600503724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23864379361 + 18866121316 = 154481^2 + 137354^2 .

It is a cyclic number.

It is not a de Polignac number, because 42730500677 - 2¹⁶ = 42730435141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42730500377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21365250338 + 21365250339.

It is an arithmetic number, because the mean of its divisors is an integer number (21365250339).

Almost surely, 2^42730500677 is an apocalyptic number.

It is an amenable number.

42730500677 is a deficient number, since it is larger than the sum of its proper divisors (1).

42730500677 is an equidigital number, since it uses as much as digits as its factorization.

42730500677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 41.

The spelling of 42730500677 in words is "forty-two billion, seven hundred thirty million, five hundred thousand, six hundred seventy-seven".