8843965642 has 4 divisors (see below), whose sum is σ = 13265948466. Its totient is φ = 4421982820.

The previous prime is 8843965621. The next prime is 8843965651. The reversal of 8843965642 is 2465693488.

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

It can be written as a sum of positive squares in only one way, i.e., 6745501161 + 2098464481 = 82131^2 + 45809^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210991409 + ... + 2210991412.

Almost surely, 2^8843965642 is an apocalyptic number.

8843965642 is a deficient number, since it is larger than the sum of its proper divisors (4421982824).

8843965642 is a wasteful number, since it uses less digits than its factorization.

8843965642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421982823.

The product of its digits is 9953280, while the sum is 55.

The square root of 8843965642 is about 94042.3608912494. The cubic root of 8843965642 is about 2067.9927676344.

The spelling of 8843965642 in words is "eight billion, eight hundred forty-three million, nine hundred sixty-five thousand, six hundred forty-two".