1319506963 has 2 divisors, whose sum is σ = 1319506964. Its totient is φ = 1319506962.

The previous prime is 1319506961. The next prime is 1319506967. The reversal of 1319506963 is 3696059131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1319506963 - 2¹ = 1319506961 is a prime.

Together with 1319506961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1319506961) 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, 659753481 + 659753482.

It is an arithmetic number, because the mean of its divisors is an integer number (659753482).

Almost surely, 2^1319506963 is an apocalyptic number.

1319506963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319506963 is an equidigital number, since it uses as much as digits as its factorization.

1319506963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 1319506963 is about 36325.0184170635. The cubic root of 1319506963 is about 1096.8247170863.

The spelling of 1319506963 in words is "one billion, three hundred nineteen million, five hundred six thousand, nine hundred sixty-three".