2097584989 has 2 divisors, whose sum is σ = 2097584990. Its totient is φ = 2097584988.

The previous prime is 2097584953. The next prime is 2097585029. The reversal of 2097584989 is 9894857902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1505052025 + 592532964 = 38795^2 + 24342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2097584989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2097584189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048792494 + 1048792495.

It is an arithmetic number, because the mean of its divisors is an integer number (1048792495).

Almost surely, 2^2097584989 is an apocalyptic number.

It is an amenable number.

2097584989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097584989 is an equidigital number, since it uses as much as digits as its factorization.

2097584989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The square root of 2097584989 is about 45799.3994392940. The cubic root of 2097584989 is about 1280.0880857756.

The spelling of 2097584989 in words is "two billion, ninety-seven million, five hundred eighty-four thousand, nine hundred eighty-nine".