21003200363 has 2 divisors, whose sum is σ = 21003200364. Its totient is φ = 21003200362.

The previous prime is 21003200357. The next prime is 21003200371. The reversal of 21003200363 is 36300230012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21003200363 - 2¹⁶ = 21003134827 is a prime.

It is a super-2 number, since 2×21003200363² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21003200063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10501600181 + 10501600182.

It is an arithmetic number, because the mean of its divisors is an integer number (10501600182).

Almost surely, 2^21003200363 is an apocalyptic number.

21003200363 is a deficient number, since it is larger than the sum of its proper divisors (1).

21003200363 is an equidigital number, since it uses as much as digits as its factorization.

21003200363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21003200363 its reverse (36300230012), we get a palindrome (57303430375).

The spelling of 21003200363 in words is "twenty-one billion, three million, two hundred thousand, three hundred sixty-three".