1602044911 has 2 divisors, whose sum is σ = 1602044912. Its totient is φ = 1602044910.

The previous prime is 1602044909. The next prime is 1602044953. The reversal of 1602044911 is 1194402061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1602044911 - 2¹ = 1602044909 is a prime.

Together with 1602044909, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1602044911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1602144911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801022455 + 801022456.

It is an arithmetic number, because the mean of its divisors is an integer number (801022456).

Almost surely, 2^1602044911 is an apocalyptic number.

1602044911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602044911 is an equidigital number, since it uses as much as digits as its factorization.

1602044911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1602044911 is about 40025.5532254084. The cubic root of 1602044911 is about 1170.1051628268.

Adding to 1602044911 its reverse (1194402061), we get a palindrome (2796446972).

The spelling of 1602044911 in words is "one billion, six hundred two million, forty-four thousand, nine hundred eleven".