10885897449 has 64 divisors (see below), whose sum is σ = 19438848000. Its totient is φ = 5881688640.

The previous prime is 10885897439. The next prime is 10885897469. The reversal of 10885897449 is 94479858801.

10885897449 is a `hidden beast` number, since 1 + 0 + 8 + 8 + 589 + 7 + 4 + 49 = 666.

10885897449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10885897449 - 2¹³ = 10885889257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (10885897439) 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 63 ways as a sum of consecutive naturals, for example, 2047807 + ... + 2053115.

It is an arithmetic number, because the mean of its divisors is an integer number (303732000).

Almost surely, 2^10885897449 is an apocalyptic number.

10885897449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10885897449 is a deficient number, since it is larger than the sum of its proper divisors (8552950551).

10885897449 is a wasteful number, since it uses less digits than its factorization.

10885897449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915 (or 5909 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 63.

The spelling of 10885897449 in words is "ten billion, eight hundred eighty-five million, eight hundred ninety-seven thousand, four hundred forty-nine".