41953333621 has 4 divisors (see below), whose sum is σ = 42338226700. Its totient is φ = 41568440544.

The previous prime is 41953333613. The next prime is 41953333711. The reversal of 41953333621 is 12633335914.

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 25861142596 + 16092191025 = 160814^2 + 126855^2 .

It is a cyclic number.

It is not a de Polignac number, because 41953333621 - 2³ = 41953333613 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 (41953333321) 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, 192446376 + ... + 192446593.

It is an arithmetic number, because the mean of its divisors is an integer number (10584556675).

Almost surely, 2^41953333621 is an apocalyptic number.

It is an amenable number.

41953333621 is a deficient number, since it is larger than the sum of its proper divisors (384893079).

41953333621 is a wasteful number, since it uses less digits than its factorization.

41953333621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384893078.

The product of its digits is 174960, while the sum is 40.

The spelling of 41953333621 in words is "forty-one billion, nine hundred fifty-three million, three hundred thirty-three thousand, six hundred twenty-one".