1381368763 has 2 divisors, whose sum is σ = 1381368764. Its totient is φ = 1381368762.

The previous prime is 1381368701. The next prime is 1381368797. The reversal of 1381368763 is 3678631831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1381368763 - 2¹⁷ = 1381237691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1381348763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690684381 + 690684382.

It is an arithmetic number, because the mean of its divisors is an integer number (690684382).

Almost surely, 2^1381368763 is an apocalyptic number.

1381368763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381368763 is an equidigital number, since it uses as much as digits as its factorization.

1381368763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 1381368763 is about 37166.7696067334. The cubic root of 1381368763 is about 1113.7042501098.

The spelling of 1381368763 in words is "one billion, three hundred eighty-one million, three hundred sixty-eight thousand, seven hundred sixty-three".