4451969042 has 8 divisors (see below), whose sum is σ = 6678237132. Its totient is φ = 2225890000.

The previous prime is 4451969029. The next prime is 4451969083. The reversal of 4451969042 is 2409691544.

It can be written as a sum of positive squares in 2 ways, for example, as 4349534401 + 102434641 = 65951^2 + 10121^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4451968984 and 4451969002.

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, 63992 + ... + 114012.

Almost surely, 2^4451969042 is an apocalyptic number.

4451969042 is a deficient number, since it is larger than the sum of its proper divisors (2226268090).

4451969042 is a wasteful number, since it uses less digits than its factorization.

4451969042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94524.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 4451969042 is about 66723.0772821518. The cubic root of 4451969042 is about 1645.0687224118.

The spelling of 4451969042 in words is "four billion, four hundred fifty-one million, nine hundred sixty-nine thousand, forty-two".