240898807769 has 2 divisors, whose sum is σ = 240898807770. Its totient is φ = 240898807768.

The previous prime is 240898807759. The next prime is 240898807813. The reversal of 240898807769 is 967708898042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200099655625 + 40799152144 = 447325^2 + 201988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240898807769 is a prime.

It is a super-2 number, since 2×240898807769² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240898807699 and 240898807708.

It is not a weakly prime, because it can be changed into another prime (240898807759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120449403884 + 120449403885.

It is an arithmetic number, because the mean of its divisors is an integer number (120449403885).

Almost surely, 2^240898807769 is an apocalyptic number.

It is an amenable number.

240898807769 is a deficient number, since it is larger than the sum of its proper divisors (1).

240898807769 is an equidigital number, since it uses as much as digits as its factorization.

240898807769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97542144, while the sum is 68.

The spelling of 240898807769 in words is "two hundred forty billion, eight hundred ninety-eight million, eight hundred seven thousand, seven hundred sixty-nine".