2063331607621 has 4 divisors (see below), whose sum is σ = 2063400390144. Its totient is φ = 2063262825100.

The previous prime is 2063331607609. The next prime is 2063331607661. The reversal of 2063331607621 is 1267061333602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2063331607621 - 2¹⁵ = 2063331574853 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2063331607661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34346245 + ... + 34406266.

It is an arithmetic number, because the mean of its divisors is an integer number (515850097536).

Almost surely, 2^{2063331607621} is an apocalyptic number.

It is an amenable number.

2063331607621 is a deficient number, since it is larger than the sum of its proper divisors (68782523).

2063331607621 is an equidigital number, since it uses as much as digits as its factorization.

2063331607621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68782522.

The product of its (nonzero) digits is 163296, while the sum is 40.

The spelling of 2063331607621 in words is "two trillion, sixty-three billion, three hundred thirty-one million, six hundred seven thousand, six hundred twenty-one".