1449469851 has 16 divisors (see below), whose sum is σ = 2001987360. Its totient is φ = 931723520.

The previous prime is 1449469849. The next prime is 1449469859. The reversal of 1449469851 is 1589649441.

It is a cyclic number.

It is not a de Polignac number, because 1449469851 - 2¹ = 1449469849 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1449469794 and 1449469803.

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, 55261 + ... + 77153.

It is an arithmetic number, because the mean of its divisors is an integer number (125124210).

Almost surely, 2^1449469851 is an apocalyptic number.

1449469851 is a deficient number, since it is larger than the sum of its proper divisors (552517509).

1449469851 is a wasteful number, since it uses less digits than its factorization.

1449469851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22686.

The product of its digits is 1244160, while the sum is 51.

The square root of 1449469851 is about 38071.9036955075. The cubic root of 1449469851 is about 1131.7132366699.

The spelling of 1449469851 in words is "one billion, four hundred forty-nine million, four hundred sixty-nine thousand, eight hundred fifty-one".