39090186229 has 2 divisors, whose sum is σ = 39090186230. Its totient is φ = 39090186228.

The previous prime is 39090186227. The next prime is 39090186259. The reversal of 39090186229 is 92268109093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22642123729 + 16448062500 = 150473^2 + 128250^2 .

It is a cyclic number.

It is not a de Polignac number, because 39090186229 - 2¹ = 39090186227 is a prime.

Together with 39090186227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39090186227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19545093114 + 19545093115.

It is an arithmetic number, because the mean of its divisors is an integer number (19545093115).

Almost surely, 2^39090186229 is an apocalyptic number.

It is an amenable number.

39090186229 is a deficient number, since it is larger than the sum of its proper divisors (1).

39090186229 is an equidigital number, since it uses as much as digits as its factorization.

39090186229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 39090186229 in words is "thirty-nine billion, ninety million, one hundred eighty-six thousand, two hundred twenty-nine".