4144651466 has 8 divisors (see below), whose sum is σ = 6318895044. Its totient is φ = 2038353120.

The previous prime is 4144651439. The next prime is 4144651471. The reversal of 4144651466 is 6641564414.

It can be written as a sum of positive squares in 2 ways, for example, as 4129990225 + 14661241 = 64265^2 + 3829^2 .

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

It is an unprimeable number.

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, 16986155 + ... + 16986398.

Almost surely, 2^4144651466 is an apocalyptic number.

4144651466 is a deficient number, since it is larger than the sum of its proper divisors (2174243578).

4144651466 is a wasteful number, since it uses less digits than its factorization.

4144651466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33972616.

The product of its digits is 276480, while the sum is 41.

The square root of 4144651466 is about 64378.9675748221. The cubic root of 4144651466 is about 1606.3099092433.

The spelling of 4144651466 in words is "four billion, one hundred forty-four million, six hundred fifty-one thousand, four hundred sixty-six".