21344331426283 has 2 divisors, whose sum is σ = 21344331426284. Its totient is φ = 21344331426282.

The previous prime is 21344331426269. The next prime is 21344331426307. The reversal of 21344331426283 is 38262413344312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21344331426283 - 2⁹ = 21344331425771 is a prime.

It is not a weakly prime, because it can be changed into another prime (21344331426083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10672165713141 + 10672165713142.

It is an arithmetic number, because the mean of its divisors is an integer number (10672165713142).

Almost surely, 2^{21344331426283} is an apocalyptic number.

21344331426283 is a deficient number, since it is larger than the sum of its proper divisors (1).

21344331426283 is an equidigital number, since it uses as much as digits as its factorization.

21344331426283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 46.

The spelling of 21344331426283 in words is "twenty-one trillion, three hundred forty-four billion, three hundred thirty-one million, four hundred twenty-six thousand, two hundred eighty-three".