9854521466 has 8 divisors (see below), whose sum is σ = 15181289940. Its totient is φ = 4794091488.

The previous prime is 9854521379. The next prime is 9854521471. The reversal of 9854521466 is 6641254589.

It can be written as a sum of positive squares in 2 ways, for example, as 9829731025 + 24790441 = 99145^2 + 4979^2 .

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

It is a super-2 number, since 2×9854521466² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 66584531 + ... + 66584678.

Almost surely, 2^9854521466 is an apocalyptic number.

9854521466 is a deficient number, since it is larger than the sum of its proper divisors (5326768474).

9854521466 is a wasteful number, since it uses less digits than its factorization.

9854521466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133169248.

The product of its digits is 2073600, while the sum is 50.

The square root of 9854521466 is about 99269.9424095733. The cubic root of 9854521466 is about 2143.9361471398.

The spelling of 9854521466 in words is "nine billion, eight hundred fifty-four million, five hundred twenty-one thousand, four hundred sixty-six".