1449469853 has 16 divisors (see below), whose sum is σ = 1648180800. Its totient is φ = 1263651840.

The previous prime is 1449469849. The next prime is 1449469859. The reversal of 1449469853 is 3589649441.

It is a cyclic number.

It is not a de Polignac number, because 1449469853 - 2² = 1449469849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1449469795 and 1449469804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449469859) 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, 72893 + ... + 90621.

It is an arithmetic number, because the mean of its divisors is an integer number (103011300).

Almost surely, 2^1449469853 is an apocalyptic number.

1449469853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1449469853 is a deficient number, since it is larger than the sum of its proper divisors (198710947).

1449469853 is a wasteful number, since it uses less digits than its factorization.

1449469853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18092.

The product of its digits is 3732480, while the sum is 53.

The square root of 1449469853 is about 38071.9037217736. The cubic root of 1449469853 is about 1131.7132371905.

The spelling of 1449469853 in words is "one billion, four hundred forty-nine million, four hundred sixty-nine thousand, eight hundred fifty-three".