41039668421 has 4 divisors (see below), whose sum is σ = 41423216832. Its totient is φ = 40656120012.

The previous prime is 41039668381. The next prime is 41039668493. The reversal of 41039668421 is 12486693014.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41039668421 - 2⁶ = 41039668357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41039638421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191774045 + ... + 191774258.

It is an arithmetic number, because the mean of its divisors is an integer number (10355804208).

Almost surely, 2^41039668421 is an apocalyptic number.

It is an amenable number.

41039668421 is a deficient number, since it is larger than the sum of its proper divisors (383548411).

41039668421 is a wasteful number, since it uses less digits than its factorization.

41039668421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383548410.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 41039668421 in words is "forty-one billion, thirty-nine million, six hundred sixty-eight thousand, four hundred twenty-one".