4451969029 has 2 divisors, whose sum is σ = 4451969030. Its totient is φ = 4451969028.

The previous prime is 4451969003. The next prime is 4451969083. The reversal of 4451969029 is 9209691544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3408808225 + 1043160804 = 58385^2 + 32298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4451969029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4451969429) 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 as a sum of consecutive naturals, namely, 2225984514 + 2225984515.

It is an arithmetic number, because the mean of its divisors is an integer number (2225984515).

Almost surely, 2^4451969029 is an apocalyptic number.

It is an amenable number.

4451969029 is a deficient number, since it is larger than the sum of its proper divisors (1).

4451969029 is an equidigital number, since it uses as much as digits as its factorization.

4451969029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 4451969029 is about 66723.0771847342. The cubic root of 4451969029 is about 1645.0687208105.

The spelling of 4451969029 in words is "four billion, four hundred fifty-one million, nine hundred sixty-nine thousand, twenty-nine".