21146542524233 has 8 divisors (see below), whose sum is σ = 24577095428160. Its totient is φ = 17818394184720.

The previous prime is 21146542524203. The next prime is 21146542524259. The reversal of 21146542524233 is 33242524564112.

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

It is a cyclic number.

It is not a de Polignac number, because 21146542524233 - 2⁶ = 21146542524169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21146542524203) 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, 25601140658 + ... + 25601141483.

It is an arithmetic number, because the mean of its divisors is an integer number (3072136928520).

Almost surely, 2^{21146542524233} is an apocalyptic number.

It is an amenable number.

21146542524233 is a deficient number, since it is larger than the sum of its proper divisors (3430552903927).

21146542524233 is an equidigital number, since it uses as much as digits as its factorization.

21146542524233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51202282207.

The product of its digits is 1382400, while the sum is 44.

The spelling of 21146542524233 in words is "twenty-one trillion, one hundred forty-six billion, five hundred forty-two million, five hundred twenty-four thousand, two hundred thirty-three".