42030124439 has 2 divisors, whose sum is σ = 42030124440. Its totient is φ = 42030124438.

The previous prime is 42030124327. The next prime is 42030124457. The reversal of 42030124439 is 93442103024.

42030124439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42030124439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42030124039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015062219 + 21015062220.

It is an arithmetic number, because the mean of its divisors is an integer number (21015062220).

Almost surely, 2^42030124439 is an apocalyptic number.

42030124439 is a deficient number, since it is larger than the sum of its proper divisors (1).

42030124439 is an equidigital number, since it uses as much as digits as its factorization.

42030124439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 42030124439 in words is "forty-two billion, thirty million, one hundred twenty-four thousand, four hundred thirty-nine".