42006631027 has 2 divisors, whose sum is σ = 42006631028. Its totient is φ = 42006631026.

The previous prime is 42006631001. The next prime is 42006631063. The reversal of 42006631027 is 72013660024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42006631027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42006631027.

It is not a weakly prime, because it can be changed into another prime (42006632027) 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, 21003315513 + 21003315514.

It is an arithmetic number, because the mean of its divisors is an integer number (21003315514).

Almost surely, 2^42006631027 is an apocalyptic number.

42006631027 is a deficient number, since it is larger than the sum of its proper divisors (1).

42006631027 is an equidigital number, since it uses as much as digits as its factorization.

42006631027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 42006631027 in words is "forty-two billion, six million, six hundred thirty-one thousand, twenty-seven".