1318367983 has 2 divisors, whose sum is σ = 1318367984. Its totient is φ = 1318367982.

The previous prime is 1318367959. The next prime is 1318367987. The reversal of 1318367983 is 3897638131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1318367983 - 2¹⁷ = 1318236911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1318367987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659183991 + 659183992.

It is an arithmetic number, because the mean of its divisors is an integer number (659183992).

Almost surely, 2^1318367983 is an apocalyptic number.

1318367983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318367983 is an equidigital number, since it uses as much as digits as its factorization.

1318367983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 1318367983 is about 36309.3374078900. The cubic root of 1318367983 is about 1096.5090383083.

The spelling of 1318367983 in words is "one billion, three hundred eighteen million, three hundred sixty-seven thousand, nine hundred eighty-three".