1444064099 has 4 divisors (see below), whose sum is σ = 1529009064. Its totient is φ = 1359119136.

The previous prime is 1444064057. The next prime is 1444064113. The reversal of 1444064099 is 9904604441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1444064099 - 2⁸ = 1444063843 is a prime.

It is a super-2 number, since 2×1444064099² = 4170642244041363602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444064029) 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, 42472457 + ... + 42472490.

It is an arithmetic number, because the mean of its divisors is an integer number (382252266).

Almost surely, 2^1444064099 is an apocalyptic number.

1444064099 is a deficient number, since it is larger than the sum of its proper divisors (84944965).

1444064099 is an equidigital number, since it uses as much as digits as its factorization.

1444064099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84944964.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 1444064099 is about 38000.8433985352. The cubic root of 1444064099 is about 1130.3045877957.

The spelling of 1444064099 in words is "one billion, four hundred forty-four million, sixty-four thousand, ninety-nine".