430440013 has 4 divisors (see below), whose sum is σ = 431740768. Its totient is φ = 429139260.

The previous prime is 430439993. The next prime is 430440029. The reversal of 430440013 is 310044034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310044034 = 2 ⋅155022017.

It is a cyclic number.

It is not a de Polignac number, because 430440013 - 2⁹ = 430439501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430440713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649881 + ... + 650542.

It is an arithmetic number, because the mean of its divisors is an integer number (107935192).

Almost surely, 2^430440013 is an apocalyptic number.

It is an amenable number.

430440013 is a deficient number, since it is larger than the sum of its proper divisors (1300755).

430440013 is a wasteful number, since it uses less digits than its factorization.

430440013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300754.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 430440013 is about 20747.0482960830. The cubic root of 430440013 is about 755.0415970532.

Adding to 430440013 its reverse (310044034), we get a palindrome (740484047).

The spelling of 430440013 in words is "four hundred thirty million, four hundred forty thousand, thirteen".