1448948749 has 8 divisors (see below), whose sum is σ = 1508497400. Its totient is φ = 1390473216.

The previous prime is 1448948741. The next prime is 1448948791. The reversal of 1448948749 is 9478498441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1042644100 + 406304649 = 32290^2 + 20157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1448948749 - 2³ = 1448948741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1448948693 and 1448948702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448948741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265524 + ... + 270925.

It is an arithmetic number, because the mean of its divisors is an integer number (188562175).

Almost surely, 2^1448948749 is an apocalyptic number.

It is an amenable number.

1448948749 is a deficient number, since it is larger than the sum of its proper divisors (59548651).

1448948749 is an equidigital number, since it uses as much as digits as its factorization.

1448948749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536559.

The product of its digits is 9289728, while the sum is 58.

The square root of 1448948749 is about 38065.0594246219. The cubic root of 1448948749 is about 1131.5775988670.

The spelling of 1448948749 in words is "one billion, four hundred forty-eight million, nine hundred forty-eight thousand, seven hundred forty-nine".