2705408393551 has 2 divisors, whose sum is σ = 2705408393552. Its totient is φ = 2705408393550.

The previous prime is 2705408393503. The next prime is 2705408393573. The reversal of 2705408393551 is 1553938045072.

2705408393551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2705408393551 - 2²⁷ = 2705274175823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2705408393581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1352704196775 + 1352704196776.

It is an arithmetic number, because the mean of its divisors is an integer number (1352704196776).

Almost surely, 2^{2705408393551} is an apocalyptic number.

2705408393551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2705408393551 is an equidigital number, since it uses as much as digits as its factorization.

2705408393551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 2705408393551 in words is "two trillion, seven hundred five billion, four hundred eight million, three hundred ninety-three thousand, five hundred fifty-one".