42861504041 has 2 divisors, whose sum is σ = 42861504042. Its totient is φ = 42861504040.

The previous prime is 42861503987. The next prime is 42861504079. The reversal of 42861504041 is 14040516824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35788694041 + 7072810000 = 189179^2 + 84100^2 .

It is a cyclic number.

It is not a de Polignac number, because 42861504041 - 2⁶ = 42861503977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42861503992 and 42861504010.

It is not a weakly prime, because it can be changed into another prime (42861504641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21430752020 + 21430752021.

It is an arithmetic number, because the mean of its divisors is an integer number (21430752021).

Almost surely, 2^42861504041 is an apocalyptic number.

It is an amenable number.

42861504041 is a deficient number, since it is larger than the sum of its proper divisors (1).

42861504041 is an equidigital number, since it uses as much as digits as its factorization.

42861504041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 42861504041 in words is "forty-two billion, eight hundred sixty-one million, five hundred four thousand, forty-one".