1386461663 has 2 divisors, whose sum is σ = 1386461664. Its totient is φ = 1386461662.

The previous prime is 1386461651. The next prime is 1386461683. The reversal of 1386461663 is 3661646831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1386461663 - 2³⁰ = 312719839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1386461603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693230831 + 693230832.

It is an arithmetic number, because the mean of its divisors is an integer number (693230832).

Almost surely, 2^1386461663 is an apocalyptic number.

1386461663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386461663 is an equidigital number, since it uses as much as digits as its factorization.

1386461663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 44.

The square root of 1386461663 is about 37235.2207325269. The cubic root of 1386461663 is about 1115.0712584916.

The spelling of 1386461663 in words is "one billion, three hundred eighty-six million, four hundred sixty-one thousand, six hundred sixty-three".