42530631067 has 2 divisors, whose sum is σ = 42530631068. Its totient is φ = 42530631066.

The previous prime is 42530631043. The next prime is 42530631097. The reversal of 42530631067 is 76013603524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42530631067 - 2⁷ = 42530630939 is a prime.

It is not a weakly prime, because it can be changed into another prime (42530631097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21265315533 + 21265315534.

It is an arithmetic number, because the mean of its divisors is an integer number (21265315534).

Almost surely, 2^42530631067 is an apocalyptic number.

42530631067 is a deficient number, since it is larger than the sum of its proper divisors (1).

42530631067 is an equidigital number, since it uses as much as digits as its factorization.

42530631067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 42530631067 in words is "forty-two billion, five hundred thirty million, six hundred thirty-one thousand, sixty-seven".