530170800821 has 32 divisors (see below), whose sum is σ = 571300853760. Its totient is φ = 490459185216.

The previous prime is 530170800811. The next prime is 530170800847. The reversal of 530170800821 is 128008071035.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530170800821 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 (530170800811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254033840 + ... + 254035926.

It is an arithmetic number, because the mean of its divisors is an integer number (17853151680).

Almost surely, 2^530170800821 is an apocalyptic number.

It is an amenable number.

530170800821 is a deficient number, since it is larger than the sum of its proper divisors (41130052939).

530170800821 is a wasteful number, since it uses less digits than its factorization.

530170800821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233.

The product of its (nonzero) digits is 13440, while the sum is 35.

Adding to 530170800821 its reverse (128008071035), we get a palindrome (658178871856).

The spelling of 530170800821 in words is "five hundred thirty billion, one hundred seventy million, eight hundred thousand, eight hundred twenty-one".