52404019189 has 2 divisors, whose sum is σ = 52404019190. Its totient is φ = 52404019188.

The previous prime is 52404019123. The next prime is 52404019207. The reversal of 52404019189 is 98191040425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26452420164 + 25951599025 = 162642^2 + 161095^2 .

It is a cyclic number.

It is not a de Polignac number, because 52404019189 - 2⁷ = 52404019061 is a prime.

It is a super-2 number, since 2×52404019189² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52404011189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26202009594 + 26202009595.

It is an arithmetic number, because the mean of its divisors is an integer number (26202009595).

Almost surely, 2^52404019189 is an apocalyptic number.

It is an amenable number.

52404019189 is a deficient number, since it is larger than the sum of its proper divisors (1).

52404019189 is an equidigital number, since it uses as much as digits as its factorization.

52404019189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 52404019189 in words is "fifty-two billion, four hundred four million, nineteen thousand, one hundred eighty-nine".