42141172841 has 2 divisors, whose sum is σ = 42141172842. Its totient is φ = 42141172840.

The previous prime is 42141172837. The next prime is 42141172847. The reversal of 42141172841 is 14827114124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37544875225 + 4596297616 = 193765^2 + 67796^2 .

It is a cyclic number.

It is not a de Polignac number, because 42141172841 - 2² = 42141172837 is a prime.

It is a super-2 number, since 2×42141172841² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42141172847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21070586420 + 21070586421.

It is an arithmetic number, because the mean of its divisors is an integer number (21070586421).

Almost surely, 2^42141172841 is an apocalyptic number.

It is an amenable number.

42141172841 is a deficient number, since it is larger than the sum of its proper divisors (1).

42141172841 is an equidigital number, since it uses as much as digits as its factorization.

42141172841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 35.

Adding to 42141172841 its reverse (14827114124), we get a palindrome (56968286965).

The spelling of 42141172841 in words is "forty-two billion, one hundred forty-one million, one hundred seventy-two thousand, eight hundred forty-one".