18925732853 has 2 divisors, whose sum is σ = 18925732854. Its totient is φ = 18925732852.

The previous prime is 18925732769. The next prime is 18925732871. The reversal of 18925732853 is 35823752981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17736379684 + 1189353169 = 133178^2 + 34487^2 .

It is a cyclic number.

It is not a de Polignac number, because 18925732853 - 2²⁰ = 18924684277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18925732795 and 18925732804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18925732883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9462866426 + 9462866427.

It is an arithmetic number, because the mean of its divisors is an integer number (9462866427).

Almost surely, 2^18925732853 is an apocalyptic number.

It is an amenable number.

18925732853 is a deficient number, since it is larger than the sum of its proper divisors (1).

18925732853 is an equidigital number, since it uses as much as digits as its factorization.

18925732853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 53.

The spelling of 18925732853 in words is "eighteen billion, nine hundred twenty-five million, seven hundred thirty-two thousand, eight hundred fifty-three".