42043471627 has 2 divisors, whose sum is σ = 42043471628. Its totient is φ = 42043471626.

The previous prime is 42043471609. The next prime is 42043471649. The reversal of 42043471627 is 72617434024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42043471627 - 2⁷ = 42043471499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42043471627.

It is not a weakly prime, because it can be changed into another prime (42043471427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21021735813 + 21021735814.

It is an arithmetic number, because the mean of its divisors is an integer number (21021735814).

Almost surely, 2^42043471627 is an apocalyptic number.

42043471627 is a deficient number, since it is larger than the sum of its proper divisors (1).

42043471627 is an equidigital number, since it uses as much as digits as its factorization.

42043471627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 42043471627 in words is "forty-two billion, forty-three million, four hundred seventy-one thousand, six hundred twenty-seven".