830743219 has 2 divisors, whose sum is σ = 830743220. Its totient is φ = 830743218.

The previous prime is 830743159. The next prime is 830743237. The reversal of 830743219 is 912347038.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 830743219 - 2⁹ = 830742707 is a prime.

It is a super-2 number, since 2×830743219² = 1380268591828963922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (830743259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415371609 + 415371610.

It is an arithmetic number, because the mean of its divisors is an integer number (415371610).

Almost surely, 2^830743219 is an apocalyptic number.

830743219 is a deficient number, since it is larger than the sum of its proper divisors (1).

830743219 is an equidigital number, since it uses as much as digits as its factorization.

830743219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 830743219 is about 28822.6164495869. The cubic root of 830743219 is about 940.0600606712.

The spelling of 830743219 in words is "eight hundred thirty million, seven hundred forty-three thousand, two hundred nineteen".