10021411449 has 75 divisors (see below), whose sum is σ = 17541534197. Its totient is φ = 5701293864.

The previous prime is 10021411427. The next prime is 10021411453. The reversal of 10021411449 is 94411412001.

The square root of 10021411449 is 100107.

It is a perfect power (a square), and thus also a powerful number.

10021411449 is a `hidden beast` number, since 1 + 0 + 0 + 214 + 1 + 1 + 449 = 666.

10021411449 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 10021411449 - 2⁵ = 10021411417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021411459) 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 74 ways as a sum of consecutive naturals, for example, 44147074 + ... + 44147300.

Almost surely, 2^10021411449 is an apocalyptic number.

10021411449 is the 100107-th square number.

10021411449 is the 50054-th centered octagonal number.

It is an amenable number.

10021411449 is a deficient number, since it is larger than the sum of its proper divisors (7520122748).

10021411449 is an frugal number, since it uses more digits than its factorization.

10021411449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 10021411449 in words is "ten billion, twenty-one million, four hundred eleven thousand, four hundred forty-nine".