8968553642 has 12 divisors (see below), whose sum is σ = 13900794498. Its totient is φ = 4339621800.

The previous prime is 8968553593. The next prime is 8968553687. The reversal of 8968553642 is 2463558698.

It can be written as a sum of positive squares in only one way, i.e., 7167484921 + 1801068721 = 84661^2 + 42439^2 .

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 5 ways as a sum of consecutive naturals, for example, 2331209 + ... + 2335052.

Almost surely, 2^8968553642 is an apocalyptic number.

8968553642 is a deficient number, since it is larger than the sum of its proper divisors (4932240856).

8968553642 is a wasteful number, since it uses less digits than its factorization.

8968553642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666325 (or 4666294 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 56.

The square root of 8968553642 is about 94702.4479197872. The cubic root of 8968553642 is about 2077.6583640984.

The spelling of 8968553642 in words is "eight billion, nine hundred sixty-eight million, five hundred fifty-three thousand, six hundred forty-two".