42530640019229 has 2 divisors, whose sum is σ = 42530640019230. Its totient is φ = 42530640019228.

The previous prime is 42530640019183. The next prime is 42530640019247. The reversal of 42530640019229 is 92291004603524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42220949995225 + 309690024004 = 6497765^2 + 556498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42530640019229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42530640019289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21265320009614 + 21265320009615.

It is an arithmetic number, because the mean of its divisors is an integer number (21265320009615).

Almost surely, 2^{42530640019229} is an apocalyptic number.

It is an amenable number.

42530640019229 is a deficient number, since it is larger than the sum of its proper divisors (1).

42530640019229 is an equidigital number, since it uses as much as digits as its factorization.

42530640019229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 42530640019229 in words is "forty-two trillion, five hundred thirty billion, six hundred forty million, nineteen thousand, two hundred twenty-nine".