1449810913 has 4 divisors (see below), whose sum is σ = 1451599408. Its totient is φ = 1448022420.

The previous prime is 1449810899. The next prime is 1449810917. The reversal of 1449810913 is 3190189441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3190189441 = 5413 ⋅589357.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1449810913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1449810917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893031 + ... + 894652.

It is an arithmetic number, because the mean of its divisors is an integer number (362899852).

Almost surely, 2^1449810913 is an apocalyptic number.

It is an amenable number.

1449810913 is a deficient number, since it is larger than the sum of its proper divisors (1788495).

1449810913 is an equidigital number, since it uses as much as digits as its factorization.

1449810913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788494.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1449810913 is about 38076.3826144239. The cubic root of 1449810913 is about 1131.8019942042.

The spelling of 1449810913 in words is "one billion, four hundred forty-nine million, eight hundred ten thousand, nine hundred thirteen".