830719609 has 2 divisors, whose sum is σ = 830719610. Its totient is φ = 830719608.

The previous prime is 830719607. The next prime is 830719619. The reversal of 830719609 is 906917038.

830719609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781761600 + 48958009 = 27960^2 + 6997^2 .

It is a cyclic number.

It is not a de Polignac number, because 830719609 - 2¹ = 830719607 is a prime.

It is a super-2 number, since 2×830719609² = 1380190137554225762, which contains 22 as substring.

Together with 830719607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (830719607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415359804 + 415359805.

It is an arithmetic number, because the mean of its divisors is an integer number (415359805).

Almost surely, 2^830719609 is an apocalyptic number.

It is an amenable number.

830719609 is a deficient number, since it is larger than the sum of its proper divisors (1).

830719609 is an equidigital number, since it uses as much as digits as its factorization.

830719609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 830719609 is about 28822.2068724794. The cubic root of 830719609 is about 940.0511549798.

The spelling of 830719609 in words is "eight hundred thirty million, seven hundred nineteen thousand, six hundred nine".