8644162342 has 4 divisors (see below), whose sum is σ = 12966243516. Its totient is φ = 4322081170.

The previous prime is 8644162339. The next prime is 8644162369. The reversal of 8644162342 is 2432614468.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 8644162295 and 8644162304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161040584 + ... + 2161040587.

It is an arithmetic number, because the mean of its divisors is an integer number (3241560879).

Almost surely, 2^8644162342 is an apocalyptic number.

8644162342 is a deficient number, since it is larger than the sum of its proper divisors (4322081174).

8644162342 is a wasteful number, since it uses less digits than its factorization.

8644162342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322081173.

The product of its digits is 221184, while the sum is 40.

The square root of 8644162342 is about 92973.9874481029. The cubic root of 8644162342 is about 2052.3005972180.

The spelling of 8644162342 in words is "eight billion, six hundred forty-four million, one hundred sixty-two thousand, three hundred forty-two".