7706601423649 has 2 divisors, whose sum is σ = 7706601423650. Its totient is φ = 7706601423648.

The previous prime is 7706601423641. The next prime is 7706601423701. The reversal of 7706601423649 is 9463241066077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4035851977249 + 3670749446400 = 2008943^2 + 1915920^2 .

It is a cyclic number.

It is not a de Polignac number, because 7706601423649 - 2³ = 7706601423641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7706601423649.

It is not a weakly prime, because it can be changed into another prime (7706601423641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3853300711824 + 3853300711825.

It is an arithmetic number, because the mean of its divisors is an integer number (3853300711825).

Almost surely, 2^{7706601423649} is an apocalyptic number.

It is an amenable number.

7706601423649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7706601423649 is an equidigital number, since it uses as much as digits as its factorization.

7706601423649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 7706601423649 in words is "seven trillion, seven hundred six billion, six hundred one million, four hundred twenty-three thousand, six hundred forty-nine".