1421424413 has 2 divisors, whose sum is σ = 1421424414. Its totient is φ = 1421424412.

The previous prime is 1421424373. The next prime is 1421424427. The reversal of 1421424413 is 3144241241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1152398809 + 269025604 = 33947^2 + 16402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421424413 - 2⁸ = 1421424157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421424113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710712206 + 710712207.

It is an arithmetic number, because the mean of its divisors is an integer number (710712207).

Almost surely, 2^1421424413 is an apocalyptic number.

It is an amenable number.

1421424413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421424413 is an equidigital number, since it uses as much as digits as its factorization.

1421424413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 26.

The square root of 1421424413 is about 37701.7826236373. The cubic root of 1421424413 is about 1124.3665670000.

Adding to 1421424413 its reverse (3144241241), we get a palindrome (4565665654).

The spelling of 1421424413 in words is "one billion, four hundred twenty-one million, four hundred twenty-four thousand, four hundred thirteen".