1449288851 has 8 divisors (see below), whose sum is σ = 1480666944. Its totient is φ = 1417933440.

The previous prime is 1449288847. The next prime is 1449288871. The reversal of 1449288851 is 1588829441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1449288851 - 2² = 1449288847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1449288851.

It is not an unprimeable number, because it can be changed into a prime (1449288871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213851 + ... + 220523.

It is an arithmetic number, because the mean of its divisors is an integer number (185083368).

Almost surely, 2^1449288851 is an apocalyptic number.

1449288851 is a deficient number, since it is larger than the sum of its proper divisors (31378093).

1449288851 is an equidigital number, since it uses as much as digits as its factorization.

1449288851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11341.

The product of its digits is 737280, while the sum is 50.

The square root of 1449288851 is about 38069.5265402658. The cubic root of 1449288851 is about 1131.6661278086. Note that the first 3 decimals are identical.

The spelling of 1449288851 in words is "one billion, four hundred forty-nine million, two hundred eighty-eight thousand, eight hundred fifty-one".