21062245363 has 2 divisors, whose sum is σ = 21062245364. Its totient is φ = 21062245362.

The previous prime is 21062245349. The next prime is 21062245397. The reversal of 21062245363 is 36354226012.

It is an a-pointer prime, because the next prime (21062245397) can be obtained adding 21062245363 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21062245363 - 2⁹ = 21062244851 is a prime.

It is not a weakly prime, because it can be changed into another prime (21062245333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10531122681 + 10531122682.

It is an arithmetic number, because the mean of its divisors is an integer number (10531122682).

Almost surely, 2^21062245363 is an apocalyptic number.

21062245363 is a deficient number, since it is larger than the sum of its proper divisors (1).

21062245363 is an equidigital number, since it uses as much as digits as its factorization.

21062245363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 21062245363 in words is "twenty-one billion, sixty-two million, two hundred forty-five thousand, three hundred sixty-three".