2193063430553 has 12 divisors (see below), whose sum is σ = 2329928245740. Its totient is φ = 2063818152192.

The previous prime is 2193063430543. The next prime is 2193063430589. The reversal of 2193063430553 is 3550343603912.

It can be written as a sum of positive squares in 6 ways, for example, as 1106855493184 + 1086207937369 = 1052072^2 + 1042213^2 .

It is not a de Polignac number, because 2193063430553 - 2⁶ = 2193063430489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2193063430543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2054075 + ... + 2933487.

It is an arithmetic number, because the mean of its divisors is an integer number (194160687145).

Almost surely, 2^{2193063430553} is an apocalyptic number.

It is an amenable number.

2193063430553 is a deficient number, since it is larger than the sum of its proper divisors (136864815187).

2193063430553 is an equidigital number, since it uses as much as digits as its factorization.

2193063430553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888076 (or 888059 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 44.

The spelling of 2193063430553 in words is "two trillion, one hundred ninety-three billion, sixty-three million, four hundred thirty thousand, five hundred fifty-three".