415668314651 has 2 divisors, whose sum is σ = 415668314652. Its totient is φ = 415668314650.

The previous prime is 415668314647. The next prime is 415668314653. The reversal of 415668314651 is 156413866514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 415668314651 - 2² = 415668314647 is a prime.

Together with 415668314653, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 415668314651.

It is not a weakly prime, because it can be changed into another prime (415668314653) 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 as a sum of consecutive naturals, namely, 207834157325 + 207834157326.

It is an arithmetic number, because the mean of its divisors is an integer number (207834157326).

Almost surely, 2^415668314651 is an apocalyptic number.

415668314651 is a deficient number, since it is larger than the sum of its proper divisors (1).

415668314651 is an equidigital number, since it uses as much as digits as its factorization.

415668314651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 50.

The spelling of 415668314651 in words is "four hundred fifteen billion, six hundred sixty-eight million, three hundred fourteen thousand, six hundred fifty-one".