1228383716653 has 4 divisors (see below), whose sum is σ = 1229212028128. Its totient is φ = 1227555405180.

The previous prime is 1228383716531. The next prime is 1228383716669. The reversal of 1228383716653 is 3566173838221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1228383716653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1228383716594 and 1228383716603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228383716683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414153513 + ... + 414156478.

It is an arithmetic number, because the mean of its divisors is an integer number (307303007032).

Almost surely, 2^{1228383716653} is an apocalyptic number.

It is an amenable number.

1228383716653 is a deficient number, since it is larger than the sum of its proper divisors (828311475).

1228383716653 is an equidigital number, since it uses as much as digits as its factorization.

1228383716653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828311474.

The product of its digits is 8709120, while the sum is 55.

The spelling of 1228383716653 in words is "one trillion, two hundred twenty-eight billion, three hundred eighty-three million, seven hundred sixteen thousand, six hundred fifty-three".