4451234869 has 2 divisors, whose sum is σ = 4451234870. Its totient is φ = 4451234868.

The previous prime is 4451234863. The next prime is 4451234917. The reversal of 4451234869 is 9684321544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2876176900 + 1575057969 = 53630^2 + 39687^2 .

It is a cyclic number.

It is not a de Polignac number, because 4451234869 - 2¹⁹ = 4450710581 is a prime.

It is a super-2 number, since 2×4451234869² = 39626983718002894322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4451234863) 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, 2225617434 + 2225617435.

It is an arithmetic number, because the mean of its divisors is an integer number (2225617435).

Almost surely, 2^4451234869 is an apocalyptic number.

It is an amenable number.

4451234869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4451234869 is an equidigital number, since it uses as much as digits as its factorization.

4451234869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 46.

The square root of 4451234869 is about 66717.5754130799. The cubic root of 4451234869 is about 1644.9782881624.

The spelling of 4451234869 in words is "four billion, four hundred fifty-one million, two hundred thirty-four thousand, eight hundred sixty-nine".