1319967967 has 2 divisors, whose sum is σ = 1319967968. Its totient is φ = 1319967966.

The previous prime is 1319967919. The next prime is 1319967977. The reversal of 1319967967 is 7697699131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1319967967 - 2¹¹ = 1319965919 is a prime.

It is a super-2 number, since 2×1319967967² = 3484630867812226178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1319967917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659983983 + 659983984.

It is an arithmetic number, because the mean of its divisors is an integer number (659983984).

Almost surely, 2^1319967967 is an apocalyptic number.

1319967967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319967967 is an equidigital number, since it uses as much as digits as its factorization.

1319967967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3857868, while the sum is 58.

The square root of 1319967967 is about 36331.3634068418. The cubic root of 1319967967 is about 1096.9524369396.

The spelling of 1319967967 in words is "one billion, three hundred nineteen million, nine hundred sixty-seven thousand, nine hundred sixty-seven".