1606799473 has 2 divisors, whose sum is σ = 1606799474. Its totient is φ = 1606799472.

The previous prime is 1606799459. The next prime is 1606799479. The reversal of 1606799473 is 3749976061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1605765184 + 1034289 = 40072^2 + 1017^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606799473 - 2¹³ = 1606791281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1606799473.

It is not a weakly prime, because it can be changed into another prime (1606799479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803399736 + 803399737.

It is an arithmetic number, because the mean of its divisors is an integer number (803399737).

Almost surely, 2^1606799473 is an apocalyptic number.

It is an amenable number.

1606799473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606799473 is an equidigital number, since it uses as much as digits as its factorization.

1606799473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 1606799473 is about 40084.9033053592. The cubic root of 1606799473 is about 1171.2615688098.

The spelling of 1606799473 in words is "one billion, six hundred six million, seven hundred ninety-nine thousand, four hundred seventy-three".