8103221633 has 6 divisors (see below), whose sum is σ = 8774494614. Its totient is φ = 7479896736.

The previous prime is 8103221629. The next prime is 8103221663. The reversal of 8103221633 is 3361223018.

It can be written as a sum of positive squares in 3 ways, for example, as 55696369 + 8047525264 = 7463^2 + 89708^2 .

It is not a de Polignac number, because 8103221633 - 2² = 8103221629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8103221596 and 8103221605.

It is not an unprimeable number, because it can be changed into a prime (8103221663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23973860 + ... + 23974197.

It is an arithmetic number, because the mean of its divisors is an integer number (1462415769).

Almost surely, 2^8103221633 is an apocalyptic number.

It is an amenable number.

8103221633 is a deficient number, since it is larger than the sum of its proper divisors (671272981).

8103221633 is a wasteful number, since it uses less digits than its factorization.

8103221633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47948083 (or 47948070 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 8103221633 is about 90017.8961818149. The cubic root of 8103221633 is about 2008.5650701750.

The spelling of 8103221633 in words is "eight billion, one hundred three million, two hundred twenty-one thousand, six hundred thirty-three".