830819629 has 2 divisors, whose sum is σ = 830819630. Its totient is φ = 830819628.

The previous prime is 830819617. The next prime is 830819683. The reversal of 830819629 is 926918038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692216100 + 138603529 = 26310^2 + 11773^2 .

It is a cyclic number.

It is not a de Polignac number, because 830819629 - 2⁹ = 830819117 is a prime.

It is a super-2 number, since 2×830819629² = 1380522511863395282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830819609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415409814 + 415409815.

It is an arithmetic number, because the mean of its divisors is an integer number (415409815).

Almost surely, 2^830819629 is an apocalyptic number.

It is an amenable number.

830819629 is a deficient number, since it is larger than the sum of its proper divisors (1).

830819629 is an equidigital number, since it uses as much as digits as its factorization.

830819629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 830819629 is about 28823.9419406854. The cubic root of 830819629 is about 940.0888813647.

The spelling of 830819629 in words is "eight hundred thirty million, eight hundred nineteen thousand, six hundred twenty-nine".