2663000621 has 8 divisors (see below), whose sum is σ = 2763313344. Its totient is φ = 2564432640.

The previous prime is 2663000617. The next prime is 2663000647. The reversal of 2663000621 is 1260003662.

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 2663000621 - 2² = 2663000617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663000321) 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 7 ways as a sum of consecutive naturals, for example, 433076 + ... + 439181.

It is an arithmetic number, because the mean of its divisors is an integer number (345414168).

Almost surely, 2^2663000621 is an apocalyptic number.

It is an amenable number.

2663000621 is a deficient number, since it is larger than the sum of its proper divisors (100312723).

2663000621 is an equidigital number, since it uses as much as digits as its factorization.

2663000621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872371.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2663000621 is about 51604.2694067070. The cubic root of 2663000621 is about 1386.0867837455.

The spelling of 2663000621 in words is "two billion, six hundred sixty-three million, six hundred twenty-one", and thus it is an aban number.