1449469149 has 4 divisors (see below), whose sum is σ = 1932625536. Its totient is φ = 966312764.

The previous prime is 1449469141. The next prime is 1449469159. The reversal of 1449469149 is 9419649441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9419649441 = 3 ⋅3139883147.

It is a cyclic number.

It is not a de Polignac number, because 1449469149 - 2³ = 1449469141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449469141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241578189 + ... + 241578194.

It is an arithmetic number, because the mean of its divisors is an integer number (483156384).

Almost surely, 2^1449469149 is an apocalyptic number.

It is an amenable number.

1449469149 is a deficient number, since it is larger than the sum of its proper divisors (483156387).

1449469149 is an equidigital number, since it uses as much as digits as its factorization.

1449469149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483156386.

The product of its digits is 1119744, while the sum is 51.

The square root of 1449469149 is about 38071.8944761093. The cubic root of 1449469149 is about 1131.7130539680.

The spelling of 1449469149 in words is "one billion, four hundred forty-nine million, four hundred sixty-nine thousand, one hundred forty-nine".