807653449 has 2 divisors, whose sum is σ = 807653450. Its totient is φ = 807653448.

The previous prime is 807653377. The next prime is 807653453. The reversal of 807653449 is 944356708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 805424400 + 2229049 = 28380^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 807653449 - 2⁷ = 807653321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 807653399 and 807653408.

It is not a weakly prime, because it can be changed into another prime (807653489) 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, 403826724 + 403826725.

It is an arithmetic number, because the mean of its divisors is an integer number (403826725).

Almost surely, 2^807653449 is an apocalyptic number.

It is an amenable number.

807653449 is a deficient number, since it is larger than the sum of its proper divisors (1).

807653449 is an equidigital number, since it uses as much as digits as its factorization.

807653449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 807653449 is about 28419.2443425226. The cubic root of 807653449 is about 931.2687231705.

The spelling of 807653449 in words is "eight hundred seven million, six hundred fifty-three thousand, four hundred forty-nine".