59955440189 has 2 divisors, whose sum is σ = 59955440190. Its totient is φ = 59955440188.

The previous prime is 59955440143. The next prime is 59955440191. The reversal of 59955440189 is 98104455995.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59955440164 + 25 = 244858^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-59955440189 is a prime.

Together with 59955440191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59955440089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29977720094 + 29977720095.

It is an arithmetic number, because the mean of its divisors is an integer number (29977720095).

Almost surely, 2^59955440189 is an apocalyptic number.

It is an amenable number.

59955440189 is a deficient number, since it is larger than the sum of its proper divisors (1).

59955440189 is an equidigital number, since it uses as much as digits as its factorization.

59955440189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664000, while the sum is 59.

The spelling of 59955440189 in words is "fifty-nine billion, nine hundred fifty-five million, four hundred forty thousand, one hundred eighty-nine".