2027118649 has 2 divisors, whose sum is σ = 2027118650. Its totient is φ = 2027118648.

The previous prime is 2027118623. The next prime is 2027118661. The reversal of 2027118649 is 9468117202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1265082624 + 762036025 = 35568^2 + 27605^2 .

It is a cyclic number.

It is not a de Polignac number, because 2027118649 - 2⁵ = 2027118617 is a prime.

It is not a weakly prime, because it can be changed into another prime (2027118619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013559324 + 1013559325.

It is an arithmetic number, because the mean of its divisors is an integer number (1013559325).

Almost surely, 2^2027118649 is an apocalyptic number.

It is an amenable number.

2027118649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2027118649 is an equidigital number, since it uses as much as digits as its factorization.

2027118649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2027118649 is about 45023.5343903608. The cubic root of 2027118649 is about 1265.5900633705.

The spelling of 2027118649 in words is "two billion, twenty-seven million, one hundred eighteen thousand, six hundred forty-nine".