1420443413 has 2 divisors, whose sum is σ = 1420443414. Its totient is φ = 1420443412.

The previous prime is 1420443341. The next prime is 1420443433. The reversal of 1420443413 is 3143440241.

Together with previous prime (1420443341) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1159879249 + 260564164 = 34057^2 + 16142^2 .

It is an emirp because it is prime and its reverse (3143440241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1420443413 - 2¹⁰ = 1420442389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420443433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710221706 + 710221707.

It is an arithmetic number, because the mean of its divisors is an integer number (710221707).

Almost surely, 2^1420443413 is an apocalyptic number.

It is an amenable number.

1420443413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420443413 is an equidigital number, since it uses as much as digits as its factorization.

1420443413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1420443413 is about 37688.7703832322. The cubic root of 1420443413 is about 1124.1078459039.

Adding to 1420443413 its reverse (3143440241), we get a palindrome (4563883654).

The spelling of 1420443413 in words is "one billion, four hundred twenty million, four hundred forty-three thousand, four hundred thirteen".