8645961333 has 16 divisors (see below), whose sum is σ = 11731476416. Its totient is φ = 5662673280.

The previous prime is 8645961329. The next prime is 8645961341. The reversal of 8645961333 is 3331695468.

8645961333 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8645961333 - 2² = 8645961329 is a prime.

It is a super-2 number, since 2×8645961333² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8645961383) 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 15 ways as a sum of consecutive naturals, for example, 17313 + ... + 132633.

It is an arithmetic number, because the mean of its divisors is an integer number (733217276).

Almost surely, 2^8645961333 is an apocalyptic number.

It is an amenable number.

8645961333 is a deficient number, since it is larger than the sum of its proper divisors (3085515083).

8645961333 is a wasteful number, since it uses less digits than its factorization.

8645961333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115764.

The product of its digits is 1399680, while the sum is 48.

The square root of 8645961333 is about 92983.6616454740. The cubic root of 8645961333 is about 2052.4429597382.

The spelling of 8645961333 in words is "eight billion, six hundred forty-five million, nine hundred sixty-one thousand, three hundred thirty-three".