1967320983 has 4 divisors (see below), whose sum is σ = 2623094648. Its totient is φ = 1311547320.

The previous prime is 1967320981. The next prime is 1967321017. The reversal of 1967320983 is 3890237691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3890237691 = 3 ⋅1296745897.

It is not a de Polignac number, because 1967320983 - 2¹ = 1967320981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1967320981) 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 in 3 ways as a sum of consecutive naturals, for example, 327886828 + ... + 327886833.

It is an arithmetic number, because the mean of its divisors is an integer number (655773662).

Almost surely, 2^1967320983 is an apocalyptic number.

1967320983 is a deficient number, since it is larger than the sum of its proper divisors (655773665).

1967320983 is an equidigital number, since it uses as much as digits as its factorization.

1967320983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655773664.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 1967320983 is about 44354.4922527583. The cubic root of 1967320983 is about 1253.0211685231.

The spelling of 1967320983 in words is "one billion, nine hundred sixty-seven million, three hundred twenty thousand, nine hundred eighty-three".