4068761656319 has 4 divisors (see below), whose sum is σ = 4068767443440. Its totient is φ = 4068755869200.

The previous prime is 4068761656313. The next prime is 4068761656357. The reversal of 4068761656319 is 9136561678604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4068761656319 is a prime.

It is a super-2 number, since 2×4068761656319² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4068761656313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665107 + ... + 3303044.

It is an arithmetic number, because the mean of its divisors is an integer number (1017191860860).

Almost surely, 2^{4068761656319} is an apocalyptic number.

4068761656319 is a deficient number, since it is larger than the sum of its proper divisors (5787121).

4068761656319 is an equidigital number, since it uses as much as digits as its factorization.

4068761656319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5787120.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 4068761656319 in words is "four trillion, sixty-eight billion, seven hundred sixty-one million, six hundred fifty-six thousand, three hundred nineteen".