41823854981 has 4 divisors (see below), whose sum is σ = 42129138732. Its totient is φ = 41518571232.

The previous prime is 41823854929. The next prime is 41823855001. The reversal of 41823854981 is 18945832814.

41823854981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8614624225 + 33209230756 = 92815^2 + 182234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41823854981 is a prime.

It is a super-2 number, since 2×41823854981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41823854911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152641670 + ... + 152641943.

It is an arithmetic number, because the mean of its divisors is an integer number (10532284683).

Almost surely, 2^41823854981 is an apocalyptic number.

It is an amenable number.

41823854981 is a deficient number, since it is larger than the sum of its proper divisors (305283751).

41823854981 is a wasteful number, since it uses less digits than its factorization.

41823854981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305283750.

The product of its digits is 2211840, while the sum is 53.

The spelling of 41823854981 in words is "forty-one billion, eight hundred twenty-three million, eight hundred fifty-four thousand, nine hundred eighty-one".