1982896589 has 2 divisors, whose sum is σ = 1982896590. Its totient is φ = 1982896588.

The previous prime is 1982896519. The next prime is 1982896613. The reversal of 1982896589 is 9856982891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1352032900 + 630863689 = 36770^2 + 25117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1982896589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1982896519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991448294 + 991448295.

It is an arithmetic number, because the mean of its divisors is an integer number (991448295).

Almost surely, 2^1982896589 is an apocalyptic number.

It is an amenable number.

1982896589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982896589 is an equidigital number, since it uses as much as digits as its factorization.

1982896589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 65.

The square root of 1982896589 is about 44529.7270258869. The cubic root of 1982896589 is about 1256.3192719274.

The spelling of 1982896589 in words is "one billion, nine hundred eighty-two million, eight hundred ninety-six thousand, five hundred eighty-nine".