8648819554 has 4 divisors (see below), whose sum is σ = 12973229334. Its totient is φ = 4324409776.

The previous prime is 8648819519. The next prime is 8648819567. The reversal of 8648819554 is 4559188468.

It is a happy number.

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., 8007565225 + 641254329 = 89485^2 + 25323^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2162204887 + ... + 2162204890.

Almost surely, 2^8648819554 is an apocalyptic number.

8648819554 is a deficient number, since it is larger than the sum of its proper divisors (4324409780).

8648819554 is a wasteful number, since it uses less digits than its factorization.

8648819554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324409779.

The product of its digits is 11059200, while the sum is 58.

The square root of 8648819554 is about 92999.0298551549. The cubic root of 8648819554 is about 2052.6691034455.

The spelling of 8648819554 in words is "eight billion, six hundred forty-eight million, eight hundred nineteen thousand, five hundred fifty-four".