2141104451 has 4 divisors (see below), whose sum is σ = 2160052392. Its totient is φ = 2122156512.

The previous prime is 2141104439. The next prime is 2141104489. The reversal of 2141104451 is 1544011412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2141104451 - 2³⁰ = 1067362627 is a prime.

It is a super-2 number, since 2×2141104451² = 9168656540184022802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141124451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9473801 + ... + 9474026.

It is an arithmetic number, because the mean of its divisors is an integer number (540013098).

Almost surely, 2^2141104451 is an apocalyptic number.

2141104451 is a deficient number, since it is larger than the sum of its proper divisors (18947941).

2141104451 is a wasteful number, since it uses less digits than its factorization.

2141104451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18947940.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 2141104451 is about 46272.0698802204. The cubic root of 2141104451 is about 1288.8803960716.

Adding to 2141104451 its reverse (1544011412), we get a palindrome (3685115863).

The spelling of 2141104451 in words is "two billion, one hundred forty-one million, one hundred four thousand, four hundred fifty-one".