2128436660053 has 4 divisors (see below), whose sum is σ = 2321930901888. Its totient is φ = 1934942418220.

The previous prime is 2128436660003. The next prime is 2128436660057. The reversal of 2128436660053 is 3500666348212.

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-2128436660053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2128436659985 and 2128436660012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128436660057) 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, 96747120901 + ... + 96747120922.

It is an arithmetic number, because the mean of its divisors is an integer number (580482725472).

Almost surely, 2^{2128436660053} is an apocalyptic number.

It is an amenable number.

2128436660053 is a deficient number, since it is larger than the sum of its proper divisors (193494241835).

2128436660053 is a wasteful number, since it uses less digits than its factorization.

2128436660053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193494241834.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 2128436660053 in words is "two trillion, one hundred twenty-eight billion, four hundred thirty-six million, six hundred sixty thousand, fifty-three".