42874287427 has 2 divisors, whose sum is σ = 42874287428. Its totient is φ = 42874287426.

The previous prime is 42874287409. The next prime is 42874287439. The reversal of 42874287427 is 72478247824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42874287427 - 2⁷ = 42874287299 is a prime.

It is not a weakly prime, because it can be changed into another prime (42874281427) 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, 21437143713 + 21437143714.

It is an arithmetic number, because the mean of its divisors is an integer number (21437143714).

Almost surely, 2^42874287427 is an apocalyptic number.

42874287427 is a deficient number, since it is larger than the sum of its proper divisors (1).

42874287427 is an equidigital number, since it uses as much as digits as its factorization.

42874287427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11239424, while the sum is 55.

The spelling of 42874287427 in words is "forty-two billion, eight hundred seventy-four million, two hundred eighty-seven thousand, four hundred twenty-seven".