42589669937 has 2 divisors, whose sum is σ = 42589669938. Its totient is φ = 42589669936.

The previous prime is 42589669933. The next prime is 42589669973. The reversal of 42589669937 is 73996698524.

Together with next prime (42589669973) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39394707361 + 3194962576 = 198481^2 + 56524^2 .

It is a cyclic number.

It is not a de Polignac number, because 42589669937 - 2² = 42589669933 is a prime.

It is not a weakly prime, because it can be changed into another prime (42589669933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21294834968 + 21294834969.

It is an arithmetic number, because the mean of its divisors is an integer number (21294834969).

Almost surely, 2^42589669937 is an apocalyptic number.

It is an amenable number.

42589669937 is a deficient number, since it is larger than the sum of its proper divisors (1).

42589669937 is an equidigital number, since it uses as much as digits as its factorization.

42589669937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176359680, while the sum is 68.

The spelling of 42589669937 in words is "forty-two billion, five hundred eighty-nine million, six hundred sixty-nine thousand, nine hundred thirty-seven".