8469487490 has 8 divisors (see below), whose sum is σ = 15245077500. Its totient is φ = 3387794992.

The previous prime is 8469487469. The next prime is 8469487493. The reversal of 8469487490 is 947849648.

It can be written as a sum of positive squares in 2 ways, for example, as 8398439449 + 71048041 = 91643^2 + 8429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8469487493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423474365 + ... + 423474384.

Almost surely, 2^8469487490 is an apocalyptic number.

8469487490 is a deficient number, since it is larger than the sum of its proper divisors (6775590010).

8469487490 is a wasteful number, since it uses less digits than its factorization.

8469487490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846948756.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The square root of 8469487490 is about 92029.8184829243. The cubic root of 8469487490 is about 2038.3826320847.

The spelling of 8469487490 in words is "eight billion, four hundred sixty-nine million, four hundred eighty-seven thousand, four hundred ninety".