42471560641 has 2 divisors, whose sum is σ = 42471560642. Its totient is φ = 42471560640.

The previous prime is 42471560609. The next prime is 42471560693. The reversal of 42471560641 is 14606517424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27537743025 + 14933817616 = 165945^2 + 122204^2 .

It is a cyclic number.

It is not a de Polignac number, because 42471560641 - 2⁵ = 42471560609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42471560594 and 42471560603.

It is not a weakly prime, because it can be changed into another prime (42471560141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21235780320 + 21235780321.

It is an arithmetic number, because the mean of its divisors is an integer number (21235780321).

Almost surely, 2^42471560641 is an apocalyptic number.

It is an amenable number.

42471560641 is a deficient number, since it is larger than the sum of its proper divisors (1).

42471560641 is an equidigital number, since it uses as much as digits as its factorization.

42471560641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 42471560641 in words is "forty-two billion, four hundred seventy-one million, five hundred sixty thousand, six hundred forty-one".