21841192042467 has 16 divisors (see below), whose sum is σ = 33288604654080. Its totient is φ = 12478135588992.

The previous prime is 21841192042459. The next prime is 21841192042487. The reversal of 21841192042467 is 76424029114812.

It is a happy number.

It is not a de Polignac number, because 21841192042467 - 2³ = 21841192042459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21841192042487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105960342 + ... + 106166267.

It is an arithmetic number, because the mean of its divisors is an integer number (2080537790880).

Almost surely, 2^{21841192042467} is an apocalyptic number.

21841192042467 is a deficient number, since it is larger than the sum of its proper divisors (11447412611613).

21841192042467 is a wasteful number, since it uses less digits than its factorization.

21841192042467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212131522.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 21841192042467 in words is "twenty-one trillion, eight hundred forty-one billion, one hundred ninety-two million, forty-two thousand, four hundred sixty-seven".