369120649 has 2 divisors, whose sum is σ = 369120650. Its totient is φ = 369120648.

The previous prime is 369120637. The next prime is 369120701. The reversal of 369120649 is 946021963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357777225 + 11343424 = 18915^2 + 3368^2 .

It is a cyclic number.

It is not a de Polignac number, because 369120649 - 2⁹ = 369120137 is a prime.

It is not a weakly prime, because it can be changed into another prime (369120449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184560324 + 184560325.

It is an arithmetic number, because the mean of its divisors is an integer number (184560325).

Almost surely, 2^369120649 is an apocalyptic number.

It is an amenable number.

369120649 is a deficient number, since it is larger than the sum of its proper divisors (1).

369120649 is an equidigital number, since it uses as much as digits as its factorization.

369120649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 369120649 is about 19212.5128236782. The cubic root of 369120649 is about 717.3362535515.

The spelling of 369120649 in words is "three hundred sixty-nine million, one hundred twenty thousand, six hundred forty-nine".