1380350663 has 2 divisors, whose sum is σ = 1380350664. Its totient is φ = 1380350662.

The previous prime is 1380350659. The next prime is 1380350669. The reversal of 1380350663 is 3660530831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1380350663 - 2² = 1380350659 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380350669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690175331 + 690175332.

It is an arithmetic number, because the mean of its divisors is an integer number (690175332).

Almost surely, 2^1380350663 is an apocalyptic number.

1380350663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380350663 is an equidigital number, since it uses as much as digits as its factorization.

1380350663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 1380350663 is about 37153.0707075472. The cubic root of 1380350663 is about 1113.4305744623.

The spelling of 1380350663 in words is "one billion, three hundred eighty million, three hundred fifty thousand, six hundred sixty-three".