770104063649 has 2 divisors, whose sum is σ = 770104063650. Its totient is φ = 770104063648.

The previous prime is 770104063643. The next prime is 770104063657. The reversal of 770104063649 is 946360401077.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534554001424 + 235550062225 = 731132^2 + 485335^2 .

It is a cyclic number.

It is not a de Polignac number, because 770104063649 - 2⁴ = 770104063633 is a prime.

It is not a weakly prime, because it can be changed into another prime (770104063643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385052031824 + 385052031825.

It is an arithmetic number, because the mean of its divisors is an integer number (385052031825).

Almost surely, 2^770104063649 is an apocalyptic number.

It is an amenable number.

770104063649 is a deficient number, since it is larger than the sum of its proper divisors (1).

770104063649 is an equidigital number, since it uses as much as digits as its factorization.

770104063649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 770104063649 in words is "seven hundred seventy billion, one hundred four million, sixty-three thousand, six hundred forty-nine".