288979191649 has 2 divisors, whose sum is σ = 288979191650. Its totient is φ = 288979191648.

The previous prime is 288979191637. The next prime is 288979191653. The reversal of 288979191649 is 946191979882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205157361249 + 83821830400 = 452943^2 + 289520^2 .

It is a cyclic number.

It is not a de Polignac number, because 288979191649 - 2¹³ = 288979183457 is a prime.

It is a super-2 number, since 2×288979191649² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (288979191689) 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, 144489595824 + 144489595825.

It is an arithmetic number, because the mean of its divisors is an integer number (144489595825).

Almost surely, 2^288979191649 is an apocalyptic number.

It is an amenable number.

288979191649 is a deficient number, since it is larger than the sum of its proper divisors (1).

288979191649 is an equidigital number, since it uses as much as digits as its factorization.

288979191649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141087744, while the sum is 73.

The spelling of 288979191649 in words is "two hundred eighty-eight billion, nine hundred seventy-nine million, one hundred ninety-one thousand, six hundred forty-nine".