8641390611 has 8 divisors (see below), whose sum is σ = 13167833344. Its totient is φ = 4937937480.

The previous prime is 8641390561. The next prime is 8641390669. The reversal of 8641390611 is 1160931468.

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

It is not a de Polignac number, because 8641390611 - 2¹⁵ = 8641357843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8641390611.

It is not an unprimeable number, because it can be changed into a prime (8641394611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205747375 + ... + 205747416.

It is an arithmetic number, because the mean of its divisors is an integer number (1645979168).

Almost surely, 2^8641390611 is an apocalyptic number.

8641390611 is a deficient number, since it is larger than the sum of its proper divisors (4526442733).

8641390611 is a wasteful number, since it uses less digits than its factorization.

8641390611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411494801.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 8641390611 is about 92959.0803041855. The cubic root of 8641390611 is about 2052.0812185952.

The spelling of 8641390611 in words is "eight billion, six hundred forty-one million, three hundred ninety thousand, six hundred eleven".