10449577449 has 20 divisors (see below), whose sum is σ = 15644682900. Its totient is φ = 6950845440.

The previous prime is 10449577441. The next prime is 10449577451. The reversal of 10449577449 is 94477594401.

10449577449 is a `hidden beast` number, since 1 + 0 + 44 + 95 + 77 + 449 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9247707225 + 1201870224 = 96165^2 + 34668^2 .

It is not a de Polignac number, because 10449577449 - 2³ = 10449577441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10449577395 and 10449577404.

It is not an unprimeable number, because it can be changed into a prime (10449577441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 107292 + ... + 180029.

It is an arithmetic number, because the mean of its divisors is an integer number (782234145).

Almost surely, 2^10449577449 is an apocalyptic number.

It is an amenable number.

10449577449 is a deficient number, since it is larger than the sum of its proper divisors (5195105451).

10449577449 is an equidigital number, since it uses as much as digits as its factorization.

10449577449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287782 (or 287773 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 10449577449 in words is "ten billion, four hundred forty-nine million, five hundred seventy-seven thousand, four hundred forty-nine".