21702344294303 has 2 divisors, whose sum is σ = 21702344294304. Its totient is φ = 21702344294302.

The previous prime is 21702344294291. The next prime is 21702344294429. The reversal of 21702344294303 is 30349244320712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21702344294303 - 2¹⁶ = 21702344228767 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21702344294503) 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 as a sum of consecutive naturals, namely, 10851172147151 + 10851172147152.

It is an arithmetic number, because the mean of its divisors is an integer number (10851172147152).

Almost surely, 2^{21702344294303} is an apocalyptic number.

21702344294303 is a deficient number, since it is larger than the sum of its proper divisors (1).

21702344294303 is an equidigital number, since it uses as much as digits as its factorization.

21702344294303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 44.

The spelling of 21702344294303 in words is "twenty-one trillion, seven hundred two billion, three hundred forty-four million, two hundred ninety-four thousand, three hundred three".