1444069269 has 16 divisors (see below), whose sum is σ = 2141577600. Its totient is φ = 961715808.

The previous prime is 1444069261. The next prime is 1444069271. The reversal of 1444069269 is 9629604441.

It is not a de Polignac number, because 1444069269 - 2³ = 1444069261 is a prime.

It is a super-2 number, since 2×1444069269² = 4170672107340388722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444069261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664 + ... + 53745.

It is an arithmetic number, because the mean of its divisors is an integer number (133848600).

Almost surely, 2^1444069269 is an apocalyptic number.

It is an amenable number.

1444069269 is a deficient number, since it is larger than the sum of its proper divisors (697508331).

1444069269 is an equidigital number, since it uses as much as digits as its factorization.

1444069269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55401 (or 55395 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 1444069269 is about 38000.9114232804. The cubic root of 1444069269 is about 1130.3059366896.

The spelling of 1444069269 in words is "one billion, four hundred forty-four million, sixty-nine thousand, two hundred sixty-nine".