448901566749 has 12 divisors (see below), whose sum is σ = 665938060476. Its totient is φ = 291179394432.

The previous prime is 448901566681. The next prime is 448901566777. The reversal of 448901566749 is 947665109844.

448901566749 is a `hidden beast` number, since 4 + 489 + 0 + 1 + 56 + 67 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 413667648900 + 35233917849 = 643170^2 + 187707^2 .

It is not a de Polignac number, because 448901566749 - 2¹³ = 448901558557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448901066749) 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 11 ways as a sum of consecutive naturals, for example, 674026044 + ... + 674026709.

It is an arithmetic number, because the mean of its divisors is an integer number (55494838373).

Almost surely, 2^448901566749 is an apocalyptic number.

It is an amenable number.

448901566749 is a deficient number, since it is larger than the sum of its proper divisors (217036493727).

448901566749 is a wasteful number, since it uses less digits than its factorization.

448901566749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348052796 (or 1348052793 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 448901566749 in words is "four hundred forty-eight billion, nine hundred one million, five hundred sixty-six thousand, seven hundred forty-nine".