42817955627 has 2 divisors, whose sum is σ = 42817955628. Its totient is φ = 42817955626.

The previous prime is 42817955611. The next prime is 42817955633. The reversal of 42817955627 is 72655971824.

42817955627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42817955627 - 2⁴ = 42817955611 is a prime.

It is not a weakly prime, because it can be changed into another prime (42817955657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21408977813 + 21408977814.

It is an arithmetic number, because the mean of its divisors is an integer number (21408977814).

Almost surely, 2^42817955627 is an apocalyptic number.

42817955627 is a deficient number, since it is larger than the sum of its proper divisors (1).

42817955627 is an equidigital number, since it uses as much as digits as its factorization.

42817955627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 56.

The spelling of 42817955627 in words is "forty-two billion, eight hundred seventeen million, nine hundred fifty-five thousand, six hundred twenty-seven".