830786573112281 has 4 divisors (see below), whose sum is σ = 833251815169332. Its totient is φ = 828321331055232.

The previous prime is 830786573112161. The next prime is 830786573112299. The reversal of 830786573112281 is 182211375687038.

830786573112281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 486302171107600 + 344484402004681 = 22052260^2 + 18560291^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830786573112281 is a prime.

It is a super-2 number, since 2×830786573112281² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (830786570112281) 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, 1232621028020 + ... + 1232621028693.

It is an arithmetic number, because the mean of its divisors is an integer number (208312953792333).

Almost surely, 2^{830786573112281} is an apocalyptic number.

It is an amenable number.

830786573112281 is a deficient number, since it is larger than the sum of its proper divisors (2465242057051).

830786573112281 is a wasteful number, since it uses less digits than its factorization.

830786573112281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465242057050.

The product of its (nonzero) digits is 27095040, while the sum is 62.

The spelling of 830786573112281 in words is "eight hundred thirty trillion, seven hundred eighty-six billion, five hundred seventy-three million, one hundred twelve thousand, two hundred eighty-one".