4581448994 has 8 divisors (see below), whose sum is σ = 6877768860. Its totient is φ = 2288859376.

The previous prime is 4581448969. The next prime is 4581448997. The reversal of 4581448994 is 4998441854.

It can be written as a sum of positive squares in 2 ways, for example, as 4318198369 + 263250625 = 65713^2 + 16225^2 .

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

It is a super-2 number, since 2×4581448994² = 41979349769247224072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4581448997) by changing a digit.

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, 929489 + ... + 934404.

Almost surely, 2^4581448994 is an apocalyptic number.

4581448994 is a deficient number, since it is larger than the sum of its proper divisors (2296319866).

4581448994 is a wasteful number, since it uses less digits than its factorization.

4581448994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865124.

The product of its digits is 6635520, while the sum is 56.

The square root of 4581448994 is about 67686.4018396605. The cubic root of 4581448994 is about 1660.8648169509.

The spelling of 4581448994 in words is "four billion, five hundred eighty-one million, four hundred forty-eight thousand, nine hundred ninety-four".