184344000721 has 2 divisors, whose sum is σ = 184344000722. Its totient is φ = 184344000720.

The previous prime is 184344000671. The next prime is 184344000769. The reversal of 184344000721 is 127000443481.

It is a happy number.

184344000721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174590265600 + 9753735121 = 417840^2 + 98761^2 .

It is a cyclic number.

It is not a de Polignac number, because 184344000721 - 2⁹ = 184344000209 is a prime.

It is not a weakly prime, because it can be changed into another prime (184344000821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92172000360 + 92172000361.

It is an arithmetic number, because the mean of its divisors is an integer number (92172000361).

Almost surely, 2^184344000721 is an apocalyptic number.

It is an amenable number.

184344000721 is a deficient number, since it is larger than the sum of its proper divisors (1).

184344000721 is an equidigital number, since it uses as much as digits as its factorization.

184344000721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 184344000721 in words is "one hundred eighty-four billion, three hundred forty-four million, seven hundred twenty-one", and thus it is an aban number.