1982964769 has 2 divisors, whose sum is σ = 1982964770. Its totient is φ = 1982964768.

The previous prime is 1982964749. The next prime is 1982964787. The reversal of 1982964769 is 9674692891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1553936400 + 429028369 = 39420^2 + 20713^2 .

It is an emirp because it is prime and its reverse (9674692891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1982964769 - 2²⁷ = 1848747041 is a prime.

It is a super-2 number, since 2×1982964769² = 7864298550190446722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1982964719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991482384 + 991482385.

It is an arithmetic number, because the mean of its divisors is an integer number (991482385).

Almost surely, 2^1982964769 is an apocalyptic number.

It is an amenable number.

1982964769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982964769 is an equidigital number, since it uses as much as digits as its factorization.

1982964769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 61.

The square root of 1982964769 is about 44530.4925753129. The cubic root of 1982964769 is about 1256.3336708740. Note that the first 3 decimals are identical.

The spelling of 1982964769 in words is "one billion, nine hundred eighty-two million, nine hundred sixty-four thousand, seven hundred sixty-nine".