1428755217653 has 2 divisors, whose sum is σ = 1428755217654. Its totient is φ = 1428755217652.

The previous prime is 1428755217641. The next prime is 1428755217677. The reversal of 1428755217653 is 3567125578241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1427874433969 + 880783684 = 1194937^2 + 29678^2 .

It is an emirp because it is prime and its reverse (3567125578241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1428755217653 - 2⁸ = 1428755217397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428755217683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714377608826 + 714377608827.

It is an arithmetic number, because the mean of its divisors is an integer number (714377608827).

Almost surely, 2^{1428755217653} is an apocalyptic number.

It is an amenable number.

1428755217653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428755217653 is an equidigital number, since it uses as much as digits as its factorization.

1428755217653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112000, while the sum is 56.

The spelling of 1428755217653 in words is "one trillion, four hundred twenty-eight billion, seven hundred fifty-five million, two hundred seventeen thousand, six hundred fifty-three".