2054447777749 has 2 divisors, whose sum is σ = 2054447777750. Its totient is φ = 2054447777748.

The previous prime is 2054447777719. The next prime is 2054447777779. The reversal of 2054447777749 is 9477777444502.

It is a balanced prime because it is at equal distance from previous prime (2054447777719) and next prime (2054447777779).

It can be written as a sum of positive squares in only one way, i.e., 1585791155524 + 468656622225 = 1259282^2 + 684585^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054447777749 - 2⁵ = 2054447777717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2054447777719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027223888874 + 1027223888875.

It is an arithmetic number, because the mean of its divisors is an integer number (1027223888875).

Almost surely, 2^{2054447777749} is an apocalyptic number.

It is an amenable number.

2054447777749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054447777749 is an equidigital number, since it uses as much as digits as its factorization.

2054447777749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387233280, while the sum is 67.

The spelling of 2054447777749 in words is "two trillion, fifty-four billion, four hundred forty-seven million, seven hundred seventy-seven thousand, seven hundred forty-nine".