185224554349 has 2 divisors, whose sum is σ = 185224554350. Its totient is φ = 185224554348.

The previous prime is 185224554259. The next prime is 185224554373. The reversal of 185224554349 is 943455422581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180661551849 + 4563002500 = 425043^2 + 67550^2 .

It is a cyclic number.

It is not a de Polignac number, because 185224554349 - 2⁹ = 185224553837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 185224554296 and 185224554305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185224554049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92612277174 + 92612277175.

It is an arithmetic number, because the mean of its divisors is an integer number (92612277175).

Almost surely, 2^185224554349 is an apocalyptic number.

It is an amenable number.

185224554349 is a deficient number, since it is larger than the sum of its proper divisors (1).

185224554349 is an equidigital number, since it uses as much as digits as its factorization.

185224554349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912000, while the sum is 52.

The spelling of 185224554349 in words is "one hundred eighty-five billion, two hundred twenty-four million, five hundred fifty-four thousand, three hundred forty-nine".