41993129855 has 4 divisors (see below), whose sum is σ = 50391755832. Its totient is φ = 33594503880.

The previous prime is 41993129779. The next prime is 41993129861. The reversal of 41993129855 is 55892139914.

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

It is not a de Polignac number, because 41993129855 - 2¹⁰ = 41993128831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41993129855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4199312981 + ... + 4199312990.

It is an arithmetic number, because the mean of its divisors is an integer number (12597938958).

Almost surely, 2^41993129855 is an apocalyptic number.

41993129855 is a deficient number, since it is larger than the sum of its proper divisors (8398625977).

41993129855 is an equidigital number, since it uses as much as digits as its factorization.

41993129855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8398625976.

The product of its digits is 3499200, while the sum is 56.

The spelling of 41993129855 in words is "forty-one billion, nine hundred ninety-three million, one hundred twenty-nine thousand, eight hundred fifty-five".