421414441313 has 2 divisors, whose sum is σ = 421414441314. Its totient is φ = 421414441312.

The previous prime is 421414441297. The next prime is 421414441337. The reversal of 421414441313 is 313144414124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306264841744 + 115149599569 = 553412^2 + 339337^2 .

It is a cyclic number.

It is not a de Polignac number, because 421414441313 - 2⁴ = 421414441297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421414441313.

It is not a weakly prime, because it can be changed into another prime (421414447313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210707220656 + 210707220657.

It is an arithmetic number, because the mean of its divisors is an integer number (210707220657).

Almost surely, 2^421414441313 is an apocalyptic number.

It is an amenable number.

421414441313 is a deficient number, since it is larger than the sum of its proper divisors (1).

421414441313 is an equidigital number, since it uses as much as digits as its factorization.

421414441313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 32.

Adding to 421414441313 its reverse (313144414124), we get a palindrome (734558855437).

The spelling of 421414441313 in words is "four hundred twenty-one billion, four hundred fourteen million, four hundred forty-one thousand, three hundred thirteen".