42431162047 has 2 divisors, whose sum is σ = 42431162048. Its totient is φ = 42431162046.

The previous prime is 42431162029. The next prime is 42431162063. The reversal of 42431162047 is 74026113424.

42431162047 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 not a de Polignac number, because 42431162047 - 2⁷ = 42431161919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42431162027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21215581023 + 21215581024.

It is an arithmetic number, because the mean of its divisors is an integer number (21215581024).

Almost surely, 2^42431162047 is an apocalyptic number.

42431162047 is a deficient number, since it is larger than the sum of its proper divisors (1).

42431162047 is an equidigital number, since it uses as much as digits as its factorization.

42431162047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 42431162047 in words is "forty-two billion, four hundred thirty-one million, one hundred sixty-two thousand, forty-seven".