1319975983 has 2 divisors, whose sum is σ = 1319975984. Its totient is φ = 1319975982.

The previous prime is 1319975963. The next prime is 1319976019. The reversal of 1319975983 is 3895799131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1319975983 - 2⁹ = 1319975471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1319975933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659987991 + 659987992.

It is an arithmetic number, because the mean of its divisors is an integer number (659987992).

Almost surely, 2^1319975983 is an apocalyptic number.

1319975983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319975983 is an equidigital number, since it uses as much as digits as its factorization.

1319975983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 55.

The square root of 1319975983 is about 36331.4737245821. The cubic root of 1319975983 is about 1096.9546574866.

The spelling of 1319975983 in words is "one billion, three hundred nineteen million, nine hundred seventy-five thousand, nine hundred eighty-three".