654532698349 has 2 divisors, whose sum is σ = 654532698350. Its totient is φ = 654532698348.

The previous prime is 654532698319. The next prime is 654532698377. The reversal of 654532698349 is 943896235456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372322073124 + 282210625225 = 610182^2 + 531235^2 .

It is a cyclic number.

It is not a de Polignac number, because 654532698349 - 2⁷ = 654532698221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654532698319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327266349174 + 327266349175.

It is an arithmetic number, because the mean of its divisors is an integer number (327266349175).

Almost surely, 2^654532698349 is an apocalyptic number.

It is an amenable number.

654532698349 is a deficient number, since it is larger than the sum of its proper divisors (1).

654532698349 is an equidigital number, since it uses as much as digits as its factorization.

654532698349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 167961600, while the sum is 64.

The spelling of 654532698349 in words is "six hundred fifty-four billion, five hundred thirty-two million, six hundred ninety-eight thousand, three hundred forty-nine".