1449548866 has 4 divisors (see below), whose sum is σ = 2174323302. Its totient is φ = 724774432.

The previous prime is 1449548857. The next prime is 1449548873. The reversal of 1449548866 is 6688459441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1120307841 + 329241025 = 33471^2 + 18145^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362387215 + ... + 362387218.

Almost surely, 2^1449548866 is an apocalyptic number.

1449548866 is a deficient number, since it is larger than the sum of its proper divisors (724774436).

1449548866 is an equidigital number, since it uses as much as digits as its factorization.

1449548866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724774435.

The product of its digits is 6635520, while the sum is 55.

The square root of 1449548866 is about 38072.9413888657. The cubic root of 1449548866 is about 1131.7338006705.

The spelling of 1449548866 in words is "one billion, four hundred forty-nine million, five hundred forty-eight thousand, eight hundred sixty-six".