421014001324403 has 2 divisors, whose sum is σ = 421014001324404. Its totient is φ = 421014001324402.

The previous prime is 421014001324289. The next prime is 421014001324421. The reversal of 421014001324403 is 304423100410124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421014001324403 - 2¹⁶ = 421014001258867 is a prime.

It is a super-2 number, since 2×421014001324403² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (421014001344403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210507000662201 + 210507000662202.

It is an arithmetic number, because the mean of its divisors is an integer number (210507000662202).

Almost surely, 2^{421014001324403} is an apocalyptic number.

421014001324403 is a deficient number, since it is larger than the sum of its proper divisors (1).

421014001324403 is an equidigital number, since it uses as much as digits as its factorization.

421014001324403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 421014001324403 its reverse (304423100410124), we get a palindrome (725437101734527).

The spelling of 421014001324403 in words is "four hundred twenty-one trillion, fourteen billion, one million, three hundred twenty-four thousand, four hundred three".