1602789673 has 4 divisors (see below), whose sum is σ = 1603722708. Its totient is φ = 1601856640.

The previous prime is 1602789659. The next prime is 1602789691. The reversal of 1602789673 is 3769872061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1328456704 + 274332969 = 36448^2 + 16563^2 .

It is a cyclic number.

It is not a de Polignac number, because 1602789673 - 2²⁹ = 1065918761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1602789623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463936 + ... + 467377.

It is an arithmetic number, because the mean of its divisors is an integer number (400930677).

Almost surely, 2^1602789673 is an apocalyptic number.

It is an amenable number.

1602789673 is a deficient number, since it is larger than the sum of its proper divisors (933035).

1602789673 is an equidigital number, since it uses as much as digits as its factorization.

1602789673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933034.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 1602789673 is about 40034.8557259796. The cubic root of 1602789673 is about 1170.2864550511.

The spelling of 1602789673 in words is "one billion, six hundred two million, seven hundred eighty-nine thousand, six hundred seventy-three".