21942242592441 has 8 divisors (see below), whose sum is σ = 29265813032160. Its totient is φ = 14623416940512.

The previous prime is 21942242592409. The next prime is 21942242592443. The reversal of 21942242592441 is 14429524224912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21942242592441 - 2⁵ = 21942242592409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21942242592443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186186156 + ... + 1186204653.

It is an arithmetic number, because the mean of its divisors is an integer number (3658226629020).

Almost surely, 2^{21942242592441} is an apocalyptic number.

It is an amenable number.

21942242592441 is a deficient number, since it is larger than the sum of its proper divisors (7323570439719).

21942242592441 is a wasteful number, since it uses less digits than its factorization.

21942242592441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372393895.

The product of its digits is 3317760, while the sum is 51.

The spelling of 21942242592441 in words is "twenty-one trillion, nine hundred forty-two billion, two hundred forty-two million, five hundred ninety-two thousand, four hundred forty-one".