1366006783 has 2 divisors, whose sum is σ = 1366006784. Its totient is φ = 1366006782.

The previous prime is 1366006781. The next prime is 1366006801. The reversal of 1366006783 is 3876006631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1366006783 - 2¹ = 1366006781 is a prime.

Together with 1366006781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1366006781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683003391 + 683003392.

It is an arithmetic number, because the mean of its divisors is an integer number (683003392).

Almost surely, 2^1366006783 is an apocalyptic number.

1366006783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366006783 is an equidigital number, since it uses as much as digits as its factorization.

1366006783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 1366006783 is about 36959.5289877996. The cubic root of 1366006783 is about 1109.5604089481.

The spelling of 1366006783 in words is "one billion, three hundred sixty-six million, six thousand, seven hundred eighty-three".