1318956967 has 2 divisors, whose sum is σ = 1318956968. Its totient is φ = 1318956966.

The previous prime is 1318956937. The next prime is 1318956979. The reversal of 1318956967 is 7696598131.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7696598131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1318956967 - 2¹⁹ = 1318432679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1318956937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659478483 + 659478484.

It is an arithmetic number, because the mean of its divisors is an integer number (659478484).

Almost surely, 2^1318956967 is an apocalyptic number.

1318956967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318956967 is an equidigital number, since it uses as much as digits as its factorization.

1318956967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 55.

The square root of 1318956967 is about 36317.4471432120. The cubic root of 1318956967 is about 1096.6723033291.

The spelling of 1318956967 in words is "one billion, three hundred eighteen million, nine hundred fifty-six thousand, nine hundred sixty-seven".