1449642799 has 12 divisors (see below), whose sum is σ = 1609198920. Its totient is φ = 1304798000.

The previous prime is 1449642793. The next prime is 1449642839. The reversal of 1449642799 is 9972469441.

It is not a de Polignac number, because 1449642799 - 2⁷ = 1449642671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449642793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47089 + ... + 71530.

It is an arithmetic number, because the mean of its divisors is an integer number (134099910).

Almost surely, 2^1449642799 is an apocalyptic number.

1449642799 is a deficient number, since it is larger than the sum of its proper divisors (159556121).

1449642799 is a wasteful number, since it uses less digits than its factorization.

1449642799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118742 (or 118731 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 55.

The square root of 1449642799 is about 38074.1749615143. The cubic root of 1449642799 is about 1131.7582461738.

The spelling of 1449642799 in words is "one billion, four hundred forty-nine million, six hundred forty-two thousand, seven hundred ninety-nine".