2055773427749 has 2 divisors, whose sum is σ = 2055773427750. Its totient is φ = 2055773427748.

The previous prime is 2055773427707. The next prime is 2055773427767. The reversal of 2055773427749 is 9477243775502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1236114805249 + 819658622500 = 1111807^2 + 905350^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055773427749 - 2³² = 2051478460453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2055773427691 and 2055773427700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055773427049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027886713874 + 1027886713875.

It is an arithmetic number, because the mean of its divisors is an integer number (1027886713875).

Almost surely, 2^{2055773427749} is an apocalyptic number.

It is an amenable number.

2055773427749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055773427749 is an equidigital number, since it uses as much as digits as its factorization.

2055773427749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103723200, while the sum is 62.

The spelling of 2055773427749 in words is "two trillion, fifty-five billion, seven hundred seventy-three million, four hundred twenty-seven thousand, seven hundred forty-nine".