300021432434 has 8 divisors (see below), whose sum is σ = 450158679468. Its totient is φ = 149968539280.

The previous prime is 300021432427. The next prime is 300021432437. The reversal of 300021432434 is 434234120003.

It can be written as a sum of positive squares in 2 ways, for example, as 297455706025 + 2565726409 = 545395^2 + 50653^2 .

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

It is not an unprimeable number, because it can be changed into a prime (300021432437) 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, 21079577 + ... + 21093804.

Almost surely, 2^300021432434 is an apocalyptic number.

300021432434 is a deficient number, since it is larger than the sum of its proper divisors (150137247034).

300021432434 is a wasteful number, since it uses less digits than its factorization.

300021432434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42176940.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 300021432434 its reverse (434234120003), we get a palindrome (734255552437).

The spelling of 300021432434 in words is "three hundred billion, twenty-one million, four hundred thirty-two thousand, four hundred thirty-four".