1728452463527 has 2 divisors, whose sum is σ = 1728452463528. Its totient is φ = 1728452463526.

The previous prime is 1728452463499. The next prime is 1728452463587. The reversal of 1728452463527 is 7253642548271.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1728452463527 - 2³² = 1724157496231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1728452463587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 864226231763 + 864226231764.

It is an arithmetic number, because the mean of its divisors is an integer number (864226231764).

Almost surely, 2^{1728452463527} is an apocalyptic number.

1728452463527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1728452463527 is an equidigital number, since it uses as much as digits as its factorization.

1728452463527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22579200, while the sum is 56.

The spelling of 1728452463527 in words is "one trillion, seven hundred twenty-eight billion, four hundred fifty-two million, four hundred sixty-three thousand, five hundred twenty-seven".