41438739729 has 8 divisors (see below), whose sum is σ = 56599254432. Its totient is φ = 26952025760.

The previous prime is 41438739707. The next prime is 41438739731. The reversal of 41438739729 is 92793783414.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41438739729 - 2⁵ = 41438739697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41438739799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168450039 + ... + 168450284.

It is an arithmetic number, because the mean of its divisors is an integer number (7074906804).

Almost surely, 2^41438739729 is an apocalyptic number.

It is an amenable number.

41438739729 is a deficient number, since it is larger than the sum of its proper divisors (15160514703).

41438739729 is a wasteful number, since it uses less digits than its factorization.

41438739729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336900367.

The product of its digits is 9144576, while the sum is 57.

The spelling of 41438739729 in words is "forty-one billion, four hundred thirty-eight million, seven hundred thirty-nine thousand, seven hundred twenty-nine".