2063621605 has 8 divisors (see below), whose sum is σ = 2476959264. Its totient is φ = 1650488400.

The previous prime is 2063621591. The next prime is 2063621611. The reversal of 2063621605 is 5061263602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2063621605 - 2⁷ = 2063621477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27951 + ... + 70060.

It is an arithmetic number, because the mean of its divisors is an integer number (309619908).

Almost surely, 2^2063621605 is an apocalyptic number.

It is an amenable number.

2063621605 is a deficient number, since it is larger than the sum of its proper divisors (413337659).

2063621605 is an equidigital number, since it uses as much as digits as its factorization.

2063621605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102227.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2063621605 is about 45427.1020977566. The cubic root of 2063621605 is about 1273.1415405069.

The spelling of 2063621605 in words is "two billion, sixty-three million, six hundred twenty-one thousand, six hundred five".