42136463429 has 2 divisors, whose sum is σ = 42136463430. Its totient is φ = 42136463428.

The previous prime is 42136463417. The next prime is 42136463491. The reversal of 42136463429 is 92436463124.

42136463429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41740533025 + 395930404 = 204305^2 + 19898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42136463429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42136463429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42136463329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21068231714 + 21068231715.

It is an arithmetic number, because the mean of its divisors is an integer number (21068231715).

Almost surely, 2^42136463429 is an apocalyptic number.

It is an amenable number.

42136463429 is a deficient number, since it is larger than the sum of its proper divisors (1).

42136463429 is an equidigital number, since it uses as much as digits as its factorization.

42136463429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 44.

The spelling of 42136463429 in words is "forty-two billion, one hundred thirty-six million, four hundred sixty-three thousand, four hundred twenty-nine".