1448737013 has 4 divisors (see below), whose sum is σ = 1454374380. Its totient is φ = 1443099648.

The previous prime is 1448736967. The next prime is 1448737039. The reversal of 1448737013 is 3107378441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1081554769 + 367182244 = 32887^2 + 19162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1448737013 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 (1448737813) 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 3 ways as a sum of consecutive naturals, for example, 2818298 + ... + 2818811.

It is an arithmetic number, because the mean of its divisors is an integer number (363593595).

Almost surely, 2^1448737013 is an apocalyptic number.

It is an amenable number.

1448737013 is a deficient number, since it is larger than the sum of its proper divisors (5637367).

1448737013 is an equidigital number, since it uses as much as digits as its factorization.

1448737013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637366.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 1448737013 is about 38062.2780847390. The cubic root of 1448737013 is about 1131.5224767457.

The spelling of 1448737013 in words is "one billion, four hundred forty-eight million, seven hundred thirty-seven thousand, thirteen".