1728452463548 has 12 divisors (see below), whose sum is σ = 3183991380360. Its totient is φ = 818740640592.

The previous prime is 1728452463527. The next prime is 1728452463587. The reversal of 1728452463548 is 8453642548271.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11371397711 + ... + 11371397862.

It is an arithmetic number, because the mean of its divisors is an integer number (265332615030).

Almost surely, 2^{1728452463548} is an apocalyptic number.

It is an amenable number.

1728452463548 is a deficient number, since it is larger than the sum of its proper divisors (1455538916812).

1728452463548 is a wasteful number, since it uses less digits than its factorization.

1728452463548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22742795596 (or 22742795594 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 59.

The spelling of 1728452463548 in words is "one trillion, seven hundred twenty-eight billion, four hundred fifty-two million, four hundred sixty-three thousand, five hundred forty-eight".