712820530843 has 4 divisors (see below), whose sum is σ = 713179274920. Its totient is φ = 712461786768.

The previous prime is 712820530841. The next prime is 712820530847. The reversal of 712820530843 is 348035028217.

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

It is a cyclic number.

It is not a de Polignac number, because 712820530843 - 2¹ = 712820530841 is a prime.

It is a super-2 number, since 2×712820530843² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 712820530843.

It is not an unprimeable number, because it can be changed into a prime (712820530841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179369058 + ... + 179373031.

It is an arithmetic number, because the mean of its divisors is an integer number (178294818730).

Almost surely, 2^712820530843 is an apocalyptic number.

712820530843 is a deficient number, since it is larger than the sum of its proper divisors (358744077).

712820530843 is a wasteful number, since it uses less digits than its factorization.

712820530843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358744076.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 712820530843 in words is "seven hundred twelve billion, eight hundred twenty million, five hundred thirty thousand, eight hundred forty-three".