8469489928 has 8 divisors (see below), whose sum is σ = 15880293630. Its totient is φ = 4234744960.

The previous prime is 8469489863. The next prime is 8469489971. The reversal of 8469489928 is 8299849648.

It can be written as a sum of positive squares in only one way, i.e., 6988625604 + 1480864324 = 83598^2 + 38482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529343113 + ... + 529343128.

Almost surely, 2^8469489928 is an apocalyptic number.

It is an amenable number.

8469489928 is a deficient number, since it is larger than the sum of its proper divisors (7410803702).

8469489928 is a wasteful number, since it uses less digits than its factorization.

8469489928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058686247 (or 1058686243 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 67.

The square root of 8469489928 is about 92029.8317286303. The cubic root of 8469489928 is about 2038.3828276722.

The spelling of 8469489928 in words is "eight billion, four hundred sixty-nine million, four hundred eighty-nine thousand, nine hundred twenty-eight".