830492569 has 2 divisors, whose sum is σ = 830492570. Its totient is φ = 830492568.

The previous prime is 830492561. The next prime is 830492581. The reversal of 830492569 is 965294038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459544969 + 370947600 = 21437^2 + 19260^2 .

It is a cyclic number.

It is not a de Polignac number, because 830492569 - 2³ = 830492561 is a prime.

It is a super-2 number, since 2×830492569² = 1379435814328439522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (830492561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415246284 + 415246285.

It is an arithmetic number, because the mean of its divisors is an integer number (415246285).

Almost surely, 2^830492569 is an apocalyptic number.

It is an amenable number.

830492569 is a deficient number, since it is larger than the sum of its proper divisors (1).

830492569 is an equidigital number, since it uses as much as digits as its factorization.

830492569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 830492569 is about 28818.2679736309. The cubic root of 830492569 is about 939.9655068828.

The spelling of 830492569 in words is "eight hundred thirty million, four hundred ninety-two thousand, five hundred sixty-nine".