42605494667 has 2 divisors, whose sum is σ = 42605494668. Its totient is φ = 42605494666.

The previous prime is 42605494663. The next prime is 42605494697. The reversal of 42605494667 is 76649450624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42605494667 - 2² = 42605494663 is a prime.

It is not a weakly prime, because it can be changed into another prime (42605494663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21302747333 + 21302747334.

It is an arithmetic number, because the mean of its divisors is an integer number (21302747334).

Almost surely, 2^42605494667 is an apocalyptic number.

42605494667 is a deficient number, since it is larger than the sum of its proper divisors (1).

42605494667 is an equidigital number, since it uses as much as digits as its factorization.

42605494667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 42605494667 in words is "forty-two billion, six hundred five million, four hundred ninety-four thousand, six hundred sixty-seven".