42165546463 has 2 divisors, whose sum is σ = 42165546464. Its totient is φ = 42165546462.

The previous prime is 42165546361. The next prime is 42165546473. The reversal of 42165546463 is 36464556124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42165546463 - 2²¹ = 42163449311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42165546473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21082773231 + 21082773232.

It is an arithmetic number, because the mean of its divisors is an integer number (21082773232).

Almost surely, 2^42165546463 is an apocalyptic number.

42165546463 is a deficient number, since it is larger than the sum of its proper divisors (1).

42165546463 is an equidigital number, since it uses as much as digits as its factorization.

42165546463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 46.

The spelling of 42165546463 in words is "forty-two billion, one hundred sixty-five million, five hundred forty-six thousand, four hundred sixty-three".