1602240643 has 2 divisors, whose sum is σ = 1602240644. Its totient is φ = 1602240642.

The previous prime is 1602240641. The next prime is 1602240707. The reversal of 1602240643 is 3460422061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1602240643 - 2¹ = 1602240641 is a prime.

Together with 1602240641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1602240641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801120321 + 801120322.

It is an arithmetic number, because the mean of its divisors is an integer number (801120322).

Almost surely, 2^1602240643 is an apocalyptic number.

1602240643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602240643 is an equidigital number, since it uses as much as digits as its factorization.

1602240643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1602240643 is about 40027.9982387328. The cubic root of 1602240643 is about 1170.1528139456.

It can be divided in two parts, 16022 and 40643, that added together give a palindrome (56665).

The spelling of 1602240643 in words is "one billion, six hundred two million, two hundred forty thousand, six hundred forty-three".