1386317963 has 2 divisors, whose sum is σ = 1386317964. Its totient is φ = 1386317962.

The previous prime is 1386317927. The next prime is 1386317981. The reversal of 1386317963 is 3697136831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1386317963 - 2¹⁸ = 1386055819 is a prime.

It is not a weakly prime, because it can be changed into another prime (1386317983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693158981 + 693158982.

It is an arithmetic number, because the mean of its divisors is an integer number (693158982).

Almost surely, 2^1386317963 is an apocalyptic number.

1386317963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386317963 is an equidigital number, since it uses as much as digits as its factorization.

1386317963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 47.

The square root of 1386317963 is about 37233.2910578692. The cubic root of 1386317963 is about 1115.0327332585.

The spelling of 1386317963 in words is "one billion, three hundred eighty-six million, three hundred seventeen thousand, nine hundred sixty-three".