42434244429263 has 2 divisors, whose sum is σ = 42434244429264. Its totient is φ = 42434244429262.

The previous prime is 42434244429259. The next prime is 42434244429289. The reversal of 42434244429263 is 36292444243424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42434244429263 - 2² = 42434244429259 is a prime.

It is a super-2 number, since 2×42434244429263² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42434244429293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21217122214631 + 21217122214632.

It is an arithmetic number, because the mean of its divisors is an integer number (21217122214632).

Almost surely, 2^{42434244429263} is an apocalyptic number.

42434244429263 is a deficient number, since it is larger than the sum of its proper divisors (1).

42434244429263 is an equidigital number, since it uses as much as digits as its factorization.

42434244429263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31850496, while the sum is 53.

The spelling of 42434244429263 in words is "forty-two trillion, four hundred thirty-four billion, two hundred forty-four million, four hundred twenty-nine thousand, two hundred sixty-three".