830305090481 has 4 divisors (see below), whose sum is σ = 830551256052. Its totient is φ = 830058924912.

The previous prime is 830305090457. The next prime is 830305090507. The reversal of 830305090481 is 184090503038.

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 781029970081 + 49275120400 = 883759^2 + 221980^2 .

It is a cyclic number.

It is not a de Polignac number, because 830305090481 - 2³⁴ = 813125221297 is a prime.

It is a super-2 number, since 2×830305090481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (830305090451) 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, 123077726 + ... + 123084471.

It is an arithmetic number, because the mean of its divisors is an integer number (207637814013).

Almost surely, 2^830305090481 is an apocalyptic number.

It is an amenable number.

830305090481 is a deficient number, since it is larger than the sum of its proper divisors (246165571).

830305090481 is a wasteful number, since it uses less digits than its factorization.

830305090481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246165570.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 830305090481 in words is "eight hundred thirty billion, three hundred five million, ninety thousand, four hundred eighty-one".