41858147081 has 2 divisors, whose sum is σ = 41858147082. Its totient is φ = 41858147080.

The previous prime is 41858147069. The next prime is 41858147117. The reversal of 41858147081 is 18074185814.

It is a happy number.

41858147081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32544160000 + 9313987081 = 180400^2 + 96509^2 .

It is a cyclic number.

It is not a de Polignac number, because 41858147081 - 2³⁰ = 40784405257 is a prime.

It is a super-2 number, since 2×41858147081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41858147041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20929073540 + 20929073541.

It is an arithmetic number, because the mean of its divisors is an integer number (20929073541).

Almost surely, 2^41858147081 is an apocalyptic number.

It is an amenable number.

41858147081 is a deficient number, since it is larger than the sum of its proper divisors (1).

41858147081 is an equidigital number, since it uses as much as digits as its factorization.

41858147081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286720, while the sum is 47.

The spelling of 41858147081 in words is "forty-one billion, eight hundred fifty-eight million, one hundred forty-seven thousand, eighty-one".