1768340013 has 16 divisors (see below), whose sum is σ = 2707507200. Its totient is φ = 1015314480.

The previous prime is 1768340009. The next prime is 1768340033. The reversal of 1768340013 is 3100438671.

It is not a de Polignac number, because 1768340013 - 2² = 1768340009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1768340033) 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 15 ways as a sum of consecutive naturals, for example, 1409533 + ... + 1410786.

It is an arithmetic number, because the mean of its divisors is an integer number (169219200).

Almost surely, 2^1768340013 is an apocalyptic number.

It is an amenable number.

1768340013 is a deficient number, since it is larger than the sum of its proper divisors (939167187).

1768340013 is a wasteful number, since it uses less digits than its factorization.

1768340013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820352.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1768340013 is about 42051.6350811713. The cubic root of 1768340013 is about 1209.2662292950.

Adding to 1768340013 its reverse (3100438671), we get a palindrome (4868778684).

The spelling of 1768340013 in words is "one billion, seven hundred sixty-eight million, three hundred forty thousand, thirteen".