530643245801 has 4 divisors (see below), whose sum is σ = 532660900992. Its totient is φ = 528625590612.

The previous prime is 530643245791. The next prime is 530643245813. The reversal of 530643245801 is 108542346035.

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: 108542346035 = 5 ⋅21708469207.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530643245801 is a prime.

It is a super-4 number, since 4×530643245801⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530643245501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008827201 + ... + 1008827726.

It is an arithmetic number, because the mean of its divisors is an integer number (133165225248).

Almost surely, 2^530643245801 is an apocalyptic number.

It is an amenable number.

530643245801 is a deficient number, since it is larger than the sum of its proper divisors (2017655191).

530643245801 is a wasteful number, since it uses less digits than its factorization.

530643245801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017655190.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 530643245801 in words is "five hundred thirty billion, six hundred forty-three million, two hundred forty-five thousand, eight hundred one".