421214511265927 has 2 divisors, whose sum is σ = 421214511265928. Its totient is φ = 421214511265926.

The previous prime is 421214511265909. The next prime is 421214511265931. The reversal of 421214511265927 is 729562115412124.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421214511265927 is a prime.

It is a super-2 number, since 2×421214511265927² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421214511265907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210607255632963 + 210607255632964.

It is an arithmetic number, because the mean of its divisors is an integer number (210607255632964).

Almost surely, 2^{421214511265927} is an apocalyptic number.

421214511265927 is a deficient number, since it is larger than the sum of its proper divisors (1).

421214511265927 is an equidigital number, since it uses as much as digits as its factorization.

421214511265927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 52.

The spelling of 421214511265927 in words is "four hundred twenty-one trillion, two hundred fourteen billion, five hundred eleven million, two hundred sixty-five thousand, nine hundred twenty-seven".