768485416609 has 2 divisors, whose sum is σ = 768485416610. Its totient is φ = 768485416608.

The previous prime is 768485416583. The next prime is 768485416651. The reversal of 768485416609 is 906614584867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 554768749584 + 213716667025 = 744828^2 + 462295^2 .

It is a cyclic number.

It is not a de Polignac number, because 768485416609 - 2¹⁹ = 768484892321 is a prime.

It is not a weakly prime, because it can be changed into another prime (768485416009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384242708304 + 384242708305.

It is an arithmetic number, because the mean of its divisors is an integer number (384242708305).

Almost surely, 2^768485416609 is an apocalyptic number.

It is an amenable number.

768485416609 is a deficient number, since it is larger than the sum of its proper divisors (1).

768485416609 is an equidigital number, since it uses as much as digits as its factorization.

768485416609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69672960, while the sum is 64.

The spelling of 768485416609 in words is "seven hundred sixty-eight billion, four hundred eighty-five million, four hundred sixteen thousand, six hundred nine".