21203030467 has 2 divisors, whose sum is σ = 21203030468. Its totient is φ = 21203030466.

The previous prime is 21203030461. The next prime is 21203030473. The reversal of 21203030467 is 76403030212.

It is a balanced prime because it is at equal distance from previous prime (21203030461) and next prime (21203030473).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21203030467 is a prime.

It is not a weakly prime, because it can be changed into another prime (21203030461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601515233 + 10601515234.

It is an arithmetic number, because the mean of its divisors is an integer number (10601515234).

Almost surely, 2^21203030467 is an apocalyptic number.

21203030467 is a deficient number, since it is larger than the sum of its proper divisors (1).

21203030467 is an equidigital number, since it uses as much as digits as its factorization.

21203030467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 21203030467 its reverse (76403030212), we get a palindrome (97606060679).

The spelling of 21203030467 in words is "twenty-one billion, two hundred three million, thirty thousand, four hundred sixty-seven".