448926749 has 2 divisors, whose sum is σ = 448926750. Its totient is φ = 448926748.

The previous prime is 448926683. The next prime is 448926781. The reversal of 448926749 is 947629844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234304249 + 214622500 = 15307^2 + 14650^2 .

It is a cyclic number.

It is not a de Polignac number, because 448926749 - 2²⁸ = 180491293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448926749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448926449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224463374 + 224463375.

It is an arithmetic number, because the mean of its divisors is an integer number (224463375).

Almost surely, 2^448926749 is an apocalyptic number.

It is an amenable number.

448926749 is a deficient number, since it is larger than the sum of its proper divisors (1).

448926749 is an equidigital number, since it uses as much as digits as its factorization.

448926749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 53.

The square root of 448926749 is about 21187.8915657033. The cubic root of 448926749 is about 765.6997308568.

The spelling of 448926749 in words is "four hundred forty-eight million, nine hundred twenty-six thousand, seven hundred forty-nine".