8099011645 has 8 divisors (see below), whose sum is σ = 9851948856. Its totient is φ = 6390452736.

The previous prime is 8099011637. The next prime is 8099011699. The reversal of 8099011645 is 5461109908.

It can be written as a sum of positive squares in 4 ways, for example, as 1787344729 + 6311666916 = 42277^2 + 79446^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8099011645 - 2³ = 8099011637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11094172 + ... + 11094901.

It is an arithmetic number, because the mean of its divisors is an integer number (1231493607).

Almost surely, 2^8099011645 is an apocalyptic number.

It is an amenable number.

8099011645 is a deficient number, since it is larger than the sum of its proper divisors (1752937211).

8099011645 is a wasteful number, since it uses less digits than its factorization.

8099011645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22189151.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 8099011645 is about 89994.5089713811. The cubic root of 8099011645 is about 2008.2171632939.

The spelling of 8099011645 in words is "eight billion, ninety-nine million, eleven thousand, six hundred forty-five".