1413430021 has 2 divisors, whose sum is σ = 1413430022. Its totient is φ = 1413430020.

The previous prime is 1413430009. The next prime is 1413430037. The reversal of 1413430021 is 1200343141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1390245796 + 23184225 = 37286^2 + 4815^2 .

It is a cyclic number.

It is not a de Polignac number, because 1413430021 - 2¹⁵ = 1413397253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1413430061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706715010 + 706715011.

It is an arithmetic number, because the mean of its divisors is an integer number (706715011).

Almost surely, 2^1413430021 is an apocalyptic number.

It is an amenable number.

1413430021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1413430021 is an equidigital number, since it uses as much as digits as its factorization.

1413430021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1413430021 is about 37595.6117253065. The cubic root of 1413430021 is about 1122.2547109464.

Adding to 1413430021 its reverse (1200343141), we get a palindrome (2613773162).

The spelling of 1413430021 in words is "one billion, four hundred thirteen million, four hundred thirty thousand, twenty-one".