42471605201 has 2 divisors, whose sum is σ = 42471605202. Its totient is φ = 42471605200.

The previous prime is 42471605171. The next prime is 42471605249. The reversal of 42471605201 is 10250617424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36481000000 + 5990605201 = 191000^2 + 77399^2 .

It is a cyclic number.

It is not a de Polignac number, because 42471605201 - 2²² = 42467410897 is a prime.

It is a super-2 number, since 2×42471605201² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42471605101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21235802600 + 21235802601.

It is an arithmetic number, because the mean of its divisors is an integer number (21235802601).

Almost surely, 2^42471605201 is an apocalyptic number.

It is an amenable number.

42471605201 is a deficient number, since it is larger than the sum of its proper divisors (1).

42471605201 is an equidigital number, since it uses as much as digits as its factorization.

42471605201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 42471605201 in words is "forty-two billion, four hundred seventy-one million, six hundred five thousand, two hundred one".