189276561053 has 2 divisors, whose sum is σ = 189276561054. Its totient is φ = 189276561052.

The previous prime is 189276561017. The next prime is 189276561079. The reversal of 189276561053 is 350165672981.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118667848324 + 70608712729 = 344482^2 + 265723^2 .

It is a cyclic number.

It is not a de Polignac number, because 189276561053 - 2³⁰ = 188202819229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189276560986 and 189276561004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189276561853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94638280526 + 94638280527.

It is an arithmetic number, because the mean of its divisors is an integer number (94638280527).

Almost surely, 2^189276561053 is an apocalyptic number.

It is an amenable number.

189276561053 is a deficient number, since it is larger than the sum of its proper divisors (1).

189276561053 is an equidigital number, since it uses as much as digits as its factorization.

189276561053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 189276561053 in words is "one hundred eighty-nine billion, two hundred seventy-six million, five hundred sixty-one thousand, fifty-three".