53642410189 has 2 divisors, whose sum is σ = 53642410190. Its totient is φ = 53642410188.

The previous prime is 53642410177. The next prime is 53642410223. The reversal of 53642410189 is 98101424635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51313575625 + 2328834564 = 226525^2 + 48258^2 .

It is a cyclic number.

It is not a de Polignac number, because 53642410189 - 2⁷ = 53642410061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53642410139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26821205094 + 26821205095.

It is an arithmetic number, because the mean of its divisors is an integer number (26821205095).

Almost surely, 2^53642410189 is an apocalyptic number.

It is an amenable number.

53642410189 is a deficient number, since it is larger than the sum of its proper divisors (1).

53642410189 is an equidigital number, since it uses as much as digits as its factorization.

53642410189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 53642410189 in words is "fifty-three billion, six hundred forty-two million, four hundred ten thousand, one hundred eighty-nine".