1303663679 has 2 divisors, whose sum is σ = 1303663680. Its totient is φ = 1303663678.

The previous prime is 1303663643. The next prime is 1303663681. The reversal of 1303663679 is 9763663031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303663679 is a prime.

Together with 1303663681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303665679) 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, 651831839 + 651831840.

It is an arithmetic number, because the mean of its divisors is an integer number (651831840).

Almost surely, 2^1303663679 is an apocalyptic number.

1303663679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303663679 is an equidigital number, since it uses as much as digits as its factorization.

1303663679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 44.

The square root of 1303663679 is about 36106.2830958824. The cubic root of 1303663679 is about 1092.4171812236.

The spelling of 1303663679 in words is "one billion, three hundred three million, six hundred sixty-three thousand, six hundred seventy-nine".