1602644473 has 2 divisors, whose sum is σ = 1602644474. Its totient is φ = 1602644472.

The previous prime is 1602644431. The next prime is 1602644503. The reversal of 1602644473 is 3744462061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 936849664 + 665794809 = 30608^2 + 25803^2 .

It is an emirp because it is prime and its reverse (3744462061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1602644473 - 2⁹ = 1602643961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1602644273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801322236 + 801322237.

It is an arithmetic number, because the mean of its divisors is an integer number (801322237).

Almost surely, 2^1602644473 is an apocalyptic number.

It is an amenable number.

1602644473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602644473 is an equidigital number, since it uses as much as digits as its factorization.

1602644473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 1602644473 is about 40033.0422651090. The cubic root of 1602644473 is about 1170.2511144347.

The spelling of 1602644473 in words is "one billion, six hundred two million, six hundred forty-four thousand, four hundred seventy-three".