38430440560189 has 2 divisors, whose sum is σ = 38430440560190. Its totient is φ = 38430440560188.

The previous prime is 38430440560177. The next prime is 38430440560199. The reversal of 38430440560189 is 98106504403483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30120723415225 + 8309717144964 = 5488235^2 + 2882658^2 .

It is a cyclic number.

It is not a de Polignac number, because 38430440560189 - 2⁹ = 38430440559677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38430440560199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19215220280094 + 19215220280095.

It is an arithmetic number, because the mean of its divisors is an integer number (19215220280095).

Almost surely, 2^{38430440560189} is an apocalyptic number.

It is an amenable number.

38430440560189 is a deficient number, since it is larger than the sum of its proper divisors (1).

38430440560189 is an equidigital number, since it uses as much as digits as its factorization.

38430440560189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 38430440560189 in words is "thirty-eight trillion, four hundred thirty billion, four hundred forty million, five hundred sixty thousand, one hundred eighty-nine".