41963963921 has 16 divisors (see below), whose sum is σ = 46054552320. Its totient is φ = 37919911680.

The previous prime is 41963963849. The next prime is 41963963929. The reversal of 41963963921 is 12936936914.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41963963921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41963963929) 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 15 ways as a sum of consecutive naturals, for example, 1450025 + ... + 1478681.

It is an arithmetic number, because the mean of its divisors is an integer number (2878409520).

Almost surely, 2^41963963921 is an apocalyptic number.

It is an amenable number.

41963963921 is a deficient number, since it is larger than the sum of its proper divisors (4090588399).

41963963921 is a wasteful number, since it uses less digits than its factorization.

41963963921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29464.

The product of its digits is 1889568, while the sum is 53.

The spelling of 41963963921 in words is "forty-one billion, nine hundred sixty-three million, nine hundred sixty-three thousand, nine hundred twenty-one".