42146500062439 has 2 divisors, whose sum is σ = 42146500062440. Its totient is φ = 42146500062438.

The previous prime is 42146500062413. The next prime is 42146500062451. The reversal of 42146500062439 is 93426000564124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42146500062439 - 2⁷ = 42146500062311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42146500012439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21073250031219 + 21073250031220.

It is an arithmetic number, because the mean of its divisors is an integer number (21073250031220).

Almost surely, 2^{42146500062439} is an apocalyptic number.

42146500062439 is a deficient number, since it is larger than the sum of its proper divisors (1).

42146500062439 is an equidigital number, since it uses as much as digits as its factorization.

42146500062439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 42146500062439 in words is "forty-two trillion, one hundred forty-six billion, five hundred million, sixty-two thousand, four hundred thirty-nine".