42751424227 has 2 divisors, whose sum is σ = 42751424228. Its totient is φ = 42751424226.

The previous prime is 42751424201. The next prime is 42751424257. The reversal of 42751424227 is 72242415724.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42751424227 - 2⁷ = 42751424099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42751424227.

It is not a weakly prime, because it can be changed into another prime (42751424257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21375712113 + 21375712114.

It is an arithmetic number, because the mean of its divisors is an integer number (21375712114).

Almost surely, 2^42751424227 is an apocalyptic number.

42751424227 is a deficient number, since it is larger than the sum of its proper divisors (1).

42751424227 is an equidigital number, since it uses as much as digits as its factorization.

42751424227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250880, while the sum is 40.

The spelling of 42751424227 in words is "forty-two billion, seven hundred fifty-one million, four hundred twenty-four thousand, two hundred twenty-seven".