21301011463 has 2 divisors, whose sum is σ = 21301011464. Its totient is φ = 21301011462.

The previous prime is 21301011419. The next prime is 21301011497. The reversal of 21301011463 is 36411010312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21301011463 - 2²¹ = 21298914311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21301012463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10650505731 + 10650505732.

It is an arithmetic number, because the mean of its divisors is an integer number (10650505732).

Almost surely, 2^21301011463 is an apocalyptic number.

21301011463 is a deficient number, since it is larger than the sum of its proper divisors (1).

21301011463 is an equidigital number, since it uses as much as digits as its factorization.

21301011463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21301011463 its reverse (36411010312), we get a palindrome (57712021775).

The spelling of 21301011463 in words is "twenty-one billion, three hundred one million, eleven thousand, four hundred sixty-three".