1718494400551 has 2 divisors, whose sum is σ = 1718494400552. Its totient is φ = 1718494400550.

The previous prime is 1718494400531. The next prime is 1718494400563. The reversal of 1718494400551 is 1550044948171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1718494400551 - 2⁹ = 1718494400039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1718494400495 and 1718494400504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1718494400531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 859247200275 + 859247200276.

It is an arithmetic number, because the mean of its divisors is an integer number (859247200276).

Almost surely, 2^{1718494400551} is an apocalyptic number.

1718494400551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1718494400551 is an equidigital number, since it uses as much as digits as its factorization.

1718494400551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 1718494400551 in words is "one trillion, seven hundred eighteen billion, four hundred ninety-four million, four hundred thousand, five hundred fifty-one".