361149474409 has 2 divisors, whose sum is σ = 361149474410. Its totient is φ = 361149474408.

The previous prime is 361149474347. The next prime is 361149474443. The reversal of 361149474409 is 904474941163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320316381225 + 40833093184 = 565965^2 + 202072^2 .

It is a cyclic number.

It is not a de Polignac number, because 361149474409 - 2¹¹ = 361149472361 is a prime.

It is not a weakly prime, because it can be changed into another prime (361149474109) 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, 180574737204 + 180574737205.

It is an arithmetic number, because the mean of its divisors is an integer number (180574737205).

Almost surely, 2^361149474409 is an apocalyptic number.

It is an amenable number.

361149474409 is a deficient number, since it is larger than the sum of its proper divisors (1).

361149474409 is an equidigital number, since it uses as much as digits as its factorization.

361149474409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 361149474409 in words is "three hundred sixty-one billion, one hundred forty-nine million, four hundred seventy-four thousand, four hundred nine".