1727442086551 has 2 divisors, whose sum is σ = 1727442086552. Its totient is φ = 1727442086550.

The previous prime is 1727442086521. The next prime is 1727442086567. The reversal of 1727442086551 is 1556802447271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1727442086551 - 2⁵ = 1727442086519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1727442086521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863721043275 + 863721043276.

It is an arithmetic number, because the mean of its divisors is an integer number (863721043276).

Almost surely, 2^{1727442086551} is an apocalyptic number.

1727442086551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1727442086551 is an equidigital number, since it uses as much as digits as its factorization.

1727442086551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 1727442086551 in words is "one trillion, seven hundred twenty-seven billion, four hundred forty-two million, eighty-six thousand, five hundred fifty-one".