4144969 has 2 divisors, whose sum is σ = 4144970. Its totient is φ = 4144968.

The previous prime is 4144967. The next prime is 4144981. The reversal of 4144969 is 9694414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3853369 + 291600 = 1963^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 4144969 - 2¹ = 4144967 is a prime.

It is a super-2 number, since 2×4144969² = 34361536021922, which contains 22 as substring.

Together with 4144967, it forms a pair of twin primes.

4144969 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4144961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072484 + 2072485.

It is an arithmetic number, because the mean of its divisors is an integer number (2072485).

Almost surely, 2^4144969 is an apocalyptic number.

It is an amenable number.

4144969 is a deficient number, since it is larger than the sum of its proper divisors (1).

4144969 is an equidigital number, since it uses as much as digits as its factorization.

4144969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 4144969 is about 2035.9196938976. The cubic root of 4144969 is about 160.6350929579.

It can be divided in two parts, 414496 and 9, that added together give a triangular number (414505 = T₉₁₀).

The spelling of 4144969 in words is "four million, one hundred forty-four thousand, nine hundred sixty-nine".