8641421495 has 8 divisors (see below), whose sum is σ = 11851092384. Its totient is φ = 5925546144.

The previous prime is 8641421423. The next prime is 8641421527. The reversal of 8641421495 is 5941241468.

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

It is not a de Polignac number, because 8641421495 - 2¹⁰ = 8641420471 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123448844 + ... + 123448913.

It is an arithmetic number, because the mean of its divisors is an integer number (1481386548).

Almost surely, 2^8641421495 is an apocalyptic number.

8641421495 is a deficient number, since it is larger than the sum of its proper divisors (3209670889).

8641421495 is a wasteful number, since it uses less digits than its factorization.

8641421495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246897769.

The product of its digits is 276480, while the sum is 44.

The square root of 8641421495 is about 92959.2464201383. The cubic root of 8641421495 is about 2052.0836632790.

The spelling of 8641421495 in words is "eight billion, six hundred forty-one million, four hundred twenty-one thousand, four hundred ninety-five".