42729130589 has 2 divisors, whose sum is σ = 42729130590. Its totient is φ = 42729130588.

The previous prime is 42729130567. The next prime is 42729130621. The reversal of 42729130589 is 98503192724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32921199364 + 9807931225 = 181442^2 + 99035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42729130589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42729130529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21364565294 + 21364565295.

It is an arithmetic number, because the mean of its divisors is an integer number (21364565295).

Almost surely, 2^42729130589 is an apocalyptic number.

It is an amenable number.

42729130589 is a deficient number, since it is larger than the sum of its proper divisors (1).

42729130589 is an equidigital number, since it uses as much as digits as its factorization.

42729130589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 42729130589 in words is "forty-two billion, seven hundred twenty-nine million, one hundred thirty thousand, five hundred eighty-nine".