42642224627 has 2 divisors, whose sum is σ = 42642224628. Its totient is φ = 42642224626.

The previous prime is 42642224593. The next prime is 42642224629. The reversal of 42642224627 is 72642224624.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42642224627 is a prime.

It is a super-2 number, since 2×42642224627² (a number of 22 digits) contains 22 as substring.

Together with 42642224629, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42642224629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21321112313 + 21321112314.

It is an arithmetic number, because the mean of its divisors is an integer number (21321112314).

Almost surely, 2^42642224627 is an apocalyptic number.

42642224627 is a deficient number, since it is larger than the sum of its proper divisors (1).

42642224627 is an equidigital number, since it uses as much as digits as its factorization.

42642224627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 41.

The spelling of 42642224627 in words is "forty-two billion, six hundred forty-two million, two hundred twenty-four thousand, six hundred twenty-seven".