64430030503 has 8 divisors (see below), whose sum is σ = 68583121200. Its totient is φ = 60353143488.

The previous prime is 64430030491. The next prime is 64430030551. The reversal of 64430030503 is 30503003446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64430030503 - 2⁵ = 64430030471 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 (64430030563) 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 in 7 ways as a sum of consecutive naturals, for example, 19049176 + ... + 19052557.

It is an arithmetic number, because the mean of its divisors is an integer number (8572890150).

Almost surely, 2^64430030503 is an apocalyptic number.

64430030503 is a deficient number, since it is larger than the sum of its proper divisors (4153090697).

64430030503 is a wasteful number, since it uses less digits than its factorization.

64430030503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38101841.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 64430030503 its reverse (30503003446), we get a palindrome (94933033949).

The spelling of 64430030503 in words is "sixty-four billion, four hundred thirty million, thirty thousand, five hundred three".