42012434419 has 2 divisors, whose sum is σ = 42012434420. Its totient is φ = 42012434418.

The previous prime is 42012434371. The next prime is 42012434423. The reversal of 42012434419 is 91443421024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42012434419 - 2⁹ = 42012433907 is a prime.

It is a super-2 number, since 2×42012434419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42012434449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21006217209 + 21006217210.

It is an arithmetic number, because the mean of its divisors is an integer number (21006217210).

Almost surely, 2^42012434419 is an apocalyptic number.

42012434419 is a deficient number, since it is larger than the sum of its proper divisors (1).

42012434419 is an equidigital number, since it uses as much as digits as its factorization.

42012434419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 42012434419 in words is "forty-two billion, twelve million, four hundred thirty-four thousand, four hundred nineteen".