630032130433 has 4 divisors (see below), whose sum is σ = 651757376340. Its totient is φ = 608306884528.

The previous prime is 630032130421. The next prime is 630032130449. The reversal of 630032130433 is 334031230036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 412309104769 + 217723025664 = 642113^2 + 466608^2 .

It is a cyclic number.

It is not a de Polignac number, because 630032130433 - 2⁹ = 630032129921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630032133433) 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 3 ways as a sum of consecutive naturals, for example, 10862622910 + ... + 10862622967.

It is an arithmetic number, because the mean of its divisors is an integer number (162939344085).

Almost surely, 2^630032130433 is an apocalyptic number.

It is an amenable number.

630032130433 is a deficient number, since it is larger than the sum of its proper divisors (21725245907).

630032130433 is a wasteful number, since it uses less digits than its factorization.

630032130433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21725245906.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 630032130433 its reverse (334031230036), we get a palindrome (964063360469).

The spelling of 630032130433 in words is "six hundred thirty billion, thirty-two million, one hundred thirty thousand, four hundred thirty-three".