184121810154229 has 2 divisors, whose sum is σ = 184121810154230. Its totient is φ = 184121810154228.

The previous prime is 184121810154169. The next prime is 184121810154239. The reversal of 184121810154229 is 922451018121481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167903285062500 + 16218525091729 = 12957750^2 + 4027223^2 .

It is a cyclic number.

It is not a de Polignac number, because 184121810154229 - 2⁴³ = 175325717132021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (184121810154239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92060905077114 + 92060905077115.

It is an arithmetic number, because the mean of its divisors is an integer number (92060905077115).

Almost surely, 2^{184121810154229} is an apocalyptic number.

It is an amenable number.

184121810154229 is a deficient number, since it is larger than the sum of its proper divisors (1).

184121810154229 is an equidigital number, since it uses as much as digits as its factorization.

184121810154229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 49.

The spelling of 184121810154229 in words is "one hundred eighty-four trillion, one hundred twenty-one billion, eight hundred ten million, one hundred fifty-four thousand, two hundred twenty-nine".