42471607069 has 2 divisors, whose sum is σ = 42471607070. Its totient is φ = 42471607068.

The previous prime is 42471607019. The next prime is 42471607109. The reversal of 42471607069 is 96070617424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31041858969 + 11429748100 = 176187^2 + 106910^2 .

It is a cyclic number.

It is not a de Polignac number, because 42471607069 - 2⁹ = 42471606557 is a prime.

It is a super-2 number, since 2×42471607069² (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 (42471607019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21235803534 + 21235803535.

It is an arithmetic number, because the mean of its divisors is an integer number (21235803535).

Almost surely, 2^42471607069 is an apocalyptic number.

It is an amenable number.

42471607069 is a deficient number, since it is larger than the sum of its proper divisors (1).

42471607069 is an equidigital number, since it uses as much as digits as its factorization.

42471607069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 42471607069 in words is "forty-two billion, four hundred seventy-one million, six hundred seven thousand, sixty-nine".