42680017469 has 2 divisors, whose sum is σ = 42680017470. Its totient is φ = 42680017468.

The previous prime is 42680017463. The next prime is 42680017511. The reversal of 42680017469 is 96471008624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26256313444 + 16423704025 = 162038^2 + 128155^2 .

It is a cyclic number.

It is not a de Polignac number, because 42680017469 - 2¹² = 42680013373 is a prime.

It is a super-2 number, since 2×42680017469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42680017463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21340008734 + 21340008735.

It is an arithmetic number, because the mean of its divisors is an integer number (21340008735).

Almost surely, 2^42680017469 is an apocalyptic number.

It is an amenable number.

42680017469 is a deficient number, since it is larger than the sum of its proper divisors (1).

42680017469 is an equidigital number, since it uses as much as digits as its factorization.

42680017469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 42680017469 in words is "forty-two billion, six hundred eighty million, seventeen thousand, four hundred sixty-nine".