941663021 has 8 divisors (see below), whose sum is σ = 1016779680. Its totient is φ = 866929392.

The previous prime is 941663011. The next prime is 941663053. The reversal of 941663021 is 120366149.

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 941663021 - 2¹⁰ = 941661997 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 (941663011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90635 + ... + 100488.

It is an arithmetic number, because the mean of its divisors is an integer number (127097460).

Almost surely, 2^941663021 is an apocalyptic number.

It is an amenable number.

941663021 is a deficient number, since it is larger than the sum of its proper divisors (75116659).

941663021 is a wasteful number, since it uses less digits than its factorization.

941663021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191515.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 941663021 is about 30686.5283308490. The cubic root of 941663021 is about 980.1634535775.

The spelling of 941663021 in words is "nine hundred forty-one million, six hundred sixty-three thousand, twenty-one".