1449664005 has 64 divisors (see below), whose sum is σ = 2471067648. Its totient is φ = 724577280.

The previous prime is 1449663997. The next prime is 1449664039. The reversal of 1449664005 is 5004669441.

It is not a de Polignac number, because 1449664005 - 2³ = 1449663997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2469322 + ... + 2469908.

It is an arithmetic number, because the mean of its divisors is an integer number (38610432).

Almost surely, 2^1449664005 is an apocalyptic number.

1449664005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1449664005 is a deficient number, since it is larger than the sum of its proper divisors (1021403643).

1449664005 is a wasteful number, since it uses less digits than its factorization.

1449664005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 1449664005 is about 38074.4534432210. The cubic root of 1449664005 is about 1131.7637647628.

The spelling of 1449664005 in words is "one billion, four hundred forty-nine million, six hundred sixty-four thousand, five".