4451869972 has 48 divisors (see below), whose sum is σ = 8890560000. Its totient is φ = 1930792160.

The previous prime is 4451869967. The next prime is 4451870009. The reversal of 4451869972 is 2799681544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418779 + ... + 429277.

It is an arithmetic number, because the mean of its divisors is an integer number (185220000).

Almost surely, 2^4451869972 is an apocalyptic number.

It is an amenable number.

4451869972 is a deficient number, since it is larger than the sum of its proper divisors (4438690028).

4451869972 is a wasteful number, since it uses less digits than its factorization.

4451869972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10956 (or 10954 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The square root of 4451869972 is about 66722.3348812075. The cubic root of 4451869972 is about 1645.0565197088.

The spelling of 4451869972 in words is "four billion, four hundred fifty-one million, eight hundred sixty-nine thousand, nine hundred seventy-two".