21250641460267 has 2 divisors, whose sum is σ = 21250641460268. Its totient is φ = 21250641460266.

The previous prime is 21250641460193. The next prime is 21250641460271. The reversal of 21250641460267 is 76206414605212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21250641460267 is a prime.

It is a super-2 number, since 2×21250641460267² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21250641461267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10625320730133 + 10625320730134.

It is an arithmetic number, because the mean of its divisors is an integer number (10625320730134).

Almost surely, 2^{21250641460267} is an apocalyptic number.

21250641460267 is a deficient number, since it is larger than the sum of its proper divisors (1).

21250641460267 is an equidigital number, since it uses as much as digits as its factorization.

21250641460267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 21250641460267 in words is "twenty-one trillion, two hundred fifty billion, six hundred forty-one million, four hundred sixty thousand, two hundred sixty-seven".