1448503609 has 4 divisors (see below), whose sum is σ = 1655432704. Its totient is φ = 1241574516.

The previous prime is 1448503601. The next prime is 1448503643. The reversal of 1448503609 is 9063058441.

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.

It is not a de Polignac number, because 1448503609 - 2³ = 1448503601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1448503601) 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, 103464537 + ... + 103464550.

It is an arithmetic number, because the mean of its divisors is an integer number (413858176).

Almost surely, 2^1448503609 is an apocalyptic number.

It is an amenable number.

1448503609 is a deficient number, since it is larger than the sum of its proper divisors (206929095).

1448503609 is an equidigital number, since it uses as much as digits as its factorization.

1448503609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206929094.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1448503609 is about 38059.2118809625. The cubic root of 1448503609 is about 1131.4617074793.

The spelling of 1448503609 in words is "one billion, four hundred forty-eight million, five hundred three thousand, six hundred nine".