839130049 has 2 divisors, whose sum is σ = 839130050. Its totient is φ = 839130048.

The previous prime is 839130011. The next prime is 839130101. The reversal of 839130049 is 940031938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 698280625 + 140849424 = 26425^2 + 11868^2 .

It is a cyclic number.

It is not a de Polignac number, because 839130049 - 2²⁷ = 704912321 is a prime.

It is not a weakly prime, because it can be changed into another prime (839130749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419565024 + 419565025.

It is an arithmetic number, because the mean of its divisors is an integer number (419565025).

Almost surely, 2^839130049 is an apocalyptic number.

It is an amenable number.

839130049 is a deficient number, since it is larger than the sum of its proper divisors (1).

839130049 is an equidigital number, since it uses as much as digits as its factorization.

839130049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 839130049 is about 28967.7415239780. The cubic root of 839130049 is about 943.2129563613.

The spelling of 839130049 in words is "eight hundred thirty-nine million, one hundred thirty thousand, forty-nine".