4451148671 has 4 divisors (see below), whose sum is σ = 4594734144. Its totient is φ = 4307563200.

The previous prime is 4451148617. The next prime is 4451148673. The reversal of 4451148671 is 1768411544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4451148671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4451148673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71792690 + ... + 71792751.

It is an arithmetic number, because the mean of its divisors is an integer number (1148683536).

Almost surely, 2^4451148671 is an apocalyptic number.

4451148671 is a deficient number, since it is larger than the sum of its proper divisors (143585473).

4451148671 is a wasteful number, since it uses less digits than its factorization.

4451148671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143585472.

The product of its digits is 107520, while the sum is 41.

The square root of 4451148671 is about 66716.9294182519. The cubic root of 4451148671 is about 1644.9676697791.

The spelling of 4451148671 in words is "four billion, four hundred fifty-one million, one hundred forty-eight thousand, six hundred seventy-one".