1607945473 has 2 divisors, whose sum is σ = 1607945474. Its totient is φ = 1607945472.

The previous prime is 1607945461. The next prime is 1607945477. The reversal of 1607945473 is 3745497061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1584597249 + 23348224 = 39807^2 + 4832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1607945473 - 2⁵ = 1607945441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1607945477) 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, 803972736 + 803972737.

It is an arithmetic number, because the mean of its divisors is an integer number (803972737).

Almost surely, 2^1607945473 is an apocalyptic number.

It is an amenable number.

1607945473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1607945473 is an equidigital number, since it uses as much as digits as its factorization.

1607945473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 1607945473 is about 40099.1954158684. The cubic root of 1607945473 is about 1171.5399579921.

The spelling of 1607945473 in words is "one billion, six hundred seven million, nine hundred forty-five thousand, four hundred seventy-three".