184961402122489 has 2 divisors, whose sum is σ = 184961402122490. Its totient is φ = 184961402122488.

The previous prime is 184961402122439. The next prime is 184961402122499. The reversal of 184961402122489 is 984221204169481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166668100000000 + 18293302122489 = 12910000^2 + 4277067^2 .

It is a cyclic number.

It is not a de Polignac number, because 184961402122489 - 2¹³ = 184961402114297 is a prime.

It is not a weakly prime, because it can be changed into another prime (184961402122439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92480701061244 + 92480701061245.

It is an arithmetic number, because the mean of its divisors is an integer number (92480701061245).

Almost surely, 2^{184961402122489} is an apocalyptic number.

It is an amenable number.

184961402122489 is a deficient number, since it is larger than the sum of its proper divisors (1).

184961402122489 is an equidigital number, since it uses as much as digits as its factorization.

184961402122489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15925248, while the sum is 61.

The spelling of 184961402122489 in words is "one hundred eighty-four trillion, nine hundred sixty-one billion, four hundred two million, one hundred twenty-two thousand, four hundred eighty-nine".