41868845729 has 4 divisors (see below), whose sum is σ = 43312599060. Its totient is φ = 40425092400.

The previous prime is 41868845687. The next prime is 41868845771. The reversal of 41868845729 is 92754886814.

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

It is an interprime number because it is at equal distance from previous prime (41868845687) and next prime (41868845771).

It can be written as a sum of positive squares in 2 ways, for example, as 13812595729 + 28056250000 = 117527^2 + 167500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41868845729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41868845779) 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, 721876622 + ... + 721876679.

It is an arithmetic number, because the mean of its divisors is an integer number (10828149765).

Almost surely, 2^41868845729 is an apocalyptic number.

It is an amenable number.

41868845729 is a deficient number, since it is larger than the sum of its proper divisors (1443753331).

41868845729 is a wasteful number, since it uses less digits than its factorization.

41868845729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443753330.

The product of its digits is 30965760, while the sum is 62.

The spelling of 41868845729 in words is "forty-one billion, eight hundred sixty-eight million, eight hundred forty-five thousand, seven hundred twenty-nine".