8641070491 has 8 divisors (see below), whose sum is σ = 9019388160. Its totient is φ = 8262971112.

The previous prime is 8641070483. The next prime is 8641070531. The reversal of 8641070491 is 1940701468.

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 8641070491 - 2³ = 8641070483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8641070411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29076 + ... + 134638.

It is an arithmetic number, because the mean of its divisors is an integer number (1127423520).

Almost surely, 2^8641070491 is an apocalyptic number.

8641070491 is a deficient number, since it is larger than the sum of its proper divisors (378317669).

8641070491 is a wasteful number, since it uses less digits than its factorization.

8641070491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109145.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 8641070491 is about 92957.3584553692. The cubic root of 8641070491 is about 2052.0558785244.

The spelling of 8641070491 in words is "eight billion, six hundred forty-one million, seventy thousand, four hundred ninety-one".