8141621633 has 16 divisors (see below), whose sum is σ = 8330938560. Its totient is φ = 7954205376.

The previous prime is 8141621629. The next prime is 8141621651. The reversal of 8141621633 is 3361261418.

It is a cyclic number.

It is not a de Polignac number, because 8141621633 - 2² = 8141621629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8141621593 and 8141621602.

It is not an unprimeable number, because it can be changed into a prime (8141627633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12025691 + ... + 12026367.

It is an arithmetic number, because the mean of its divisors is an integer number (520683660).

Almost surely, 2^8141621633 is an apocalyptic number.

It is an amenable number.

8141621633 is a deficient number, since it is larger than the sum of its proper divisors (189316927).

8141621633 is a wasteful number, since it uses less digits than its factorization.

8141621633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696.

The product of its digits is 20736, while the sum is 35.

The square root of 8141621633 is about 90230.9350112255. The cubic root of 8141621633 is about 2011.7328384067.

The spelling of 8141621633 in words is "eight billion, one hundred forty-one million, six hundred twenty-one thousand, six hundred thirty-three".