1602431673 has 4 divisors (see below), whose sum is σ = 2136575568. Its totient is φ = 1068287780.

The previous prime is 1602431657. The next prime is 1602431683. The reversal of 1602431673 is 3761342061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1602431673 - 2⁴ = 1602431657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1602431683) 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 in 3 ways as a sum of consecutive naturals, for example, 267071943 + ... + 267071948.

It is an arithmetic number, because the mean of its divisors is an integer number (534143892).

Almost surely, 2^1602431673 is an apocalyptic number.

It is an amenable number.

1602431673 is a deficient number, since it is larger than the sum of its proper divisors (534143895).

1602431673 is an equidigital number, since it uses as much as digits as its factorization.

1602431673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534143894.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1602431673 is about 40030.3843723739. The cubic root of 1602431673 is about 1170.1993166167.

The spelling of 1602431673 in words is "one billion, six hundred two million, four hundred thirty-one thousand, six hundred seventy-three".