21041073467 has 2 divisors, whose sum is σ = 21041073468. Its totient is φ = 21041073466.

The previous prime is 21041073373. The next prime is 21041073481. The reversal of 21041073467 is 76437014012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21041073467 is a prime.

It is not a weakly prime, because it can be changed into another prime (21041073497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10520536733 + 10520536734.

It is an arithmetic number, because the mean of its divisors is an integer number (10520536734).

Almost surely, 2^21041073467 is an apocalyptic number.

21041073467 is a deficient number, since it is larger than the sum of its proper divisors (1).

21041073467 is an equidigital number, since it uses as much as digits as its factorization.

21041073467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 21041073467 its reverse (76437014012), we get a palindrome (97478087479).

The spelling of 21041073467 in words is "twenty-one billion, forty-one million, seventy-three thousand, four hundred sixty-seven".