1428715584454 has 4 divisors (see below), whose sum is σ = 2143073376684. Its totient is φ = 714357792226.

The previous prime is 1428715584437. The next prime is 1428715584487. The reversal of 1428715584454 is 4544855178241.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357178896112 + ... + 357178896115.

It is an arithmetic number, because the mean of its divisors is an integer number (535768344171).

Almost surely, 2^{1428715584454} is an apocalyptic number.

1428715584454 is a deficient number, since it is larger than the sum of its proper divisors (714357792230).

1428715584454 is an equidigital number, since it uses as much as digits as its factorization.

1428715584454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714357792229.

The product of its digits is 28672000, while the sum is 58.

The spelling of 1428715584454 in words is "one trillion, four hundred twenty-eight billion, seven hundred fifteen million, five hundred eighty-four thousand, four hundred fifty-four".