830999570449 has 2 divisors, whose sum is σ = 830999570450. Its totient is φ = 830999570448.

The previous prime is 830999570431. The next prime is 830999570483. The reversal of 830999570449 is 944075999038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425975518224 + 405024052225 = 652668^2 + 636415^2 .

It is a cyclic number.

It is not a de Polignac number, because 830999570449 - 2¹⁷ = 830999439377 is a prime.

It is not a weakly prime, because it can be changed into another prime (830999570549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415499785224 + 415499785225.

It is an arithmetic number, because the mean of its divisors is an integer number (415499785225).

Almost surely, 2^830999570449 is an apocalyptic number.

It is an amenable number.

830999570449 is a deficient number, since it is larger than the sum of its proper divisors (1).

830999570449 is an equidigital number, since it uses as much as digits as its factorization.

830999570449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88179840, while the sum is 67.

The spelling of 830999570449 in words is "eight hundred thirty billion, nine hundred ninety-nine million, five hundred seventy thousand, four hundred forty-nine".