1380206963 has 2 divisors, whose sum is σ = 1380206964. Its totient is φ = 1380206962.

The previous prime is 1380206959. The next prime is 1380206981. The reversal of 1380206963 is 3696020831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1380206963 - 2² = 1380206959 is a prime.

It is not a weakly prime, because it can be changed into another prime (1380206063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690103481 + 690103482.

It is an arithmetic number, because the mean of its divisors is an integer number (690103482).

Almost surely, 2^1380206963 is an apocalyptic number.

1380206963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380206963 is an equidigital number, since it uses as much as digits as its factorization.

1380206963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1380206963 is about 37151.1367659188. The cubic root of 1380206963 is about 1113.3919356028.

The spelling of 1380206963 in words is "one billion, three hundred eighty million, two hundred six thousand, nine hundred sixty-three".