1420441013 has 2 divisors, whose sum is σ = 1420441014. Its totient is φ = 1420441012.

The previous prime is 1420440997. The next prime is 1420441019. The reversal of 1420441013 is 3101440241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1420309969 + 131044 = 37687^2 + 362^2 .

It is an emirp because it is prime and its reverse (3101440241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1420441013 - 2⁴ = 1420440997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420441019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710220506 + 710220507.

It is an arithmetic number, because the mean of its divisors is an integer number (710220507).

Almost surely, 2^1420441013 is an apocalyptic number.

It is an amenable number.

1420441013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420441013 is an equidigital number, since it uses as much as digits as its factorization.

1420441013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1420441013 is about 37688.7385434960. The cubic root of 1420441013 is about 1124.1072128010.

Adding to 1420441013 its reverse (3101440241), we get a palindrome (4521881254).

The spelling of 1420441013 in words is "one billion, four hundred twenty million, four hundred forty-one thousand, thirteen".