365449316409 has 16 divisors (see below), whose sum is σ = 541451951040. Its totient is φ = 243612377280.

The previous prime is 365449316389. The next prime is 365449316423. The reversal of 365449316409 is 904613944563.

It is a happy number.

365449316409 is a `hidden beast` number, since 3 + 6 + 544 + 9 + 31 + 64 + 0 + 9 = 666.

It is not a de Polignac number, because 365449316409 - 2⁵ = 365449316377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (365449316009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239152 + ... + 887745.

It is an arithmetic number, because the mean of its divisors is an integer number (33840746940).

Almost surely, 2^365449316409 is an apocalyptic number.

It is an amenable number.

365449316409 is a deficient number, since it is larger than the sum of its proper divisors (176002634631).

365449316409 is a wasteful number, since it uses less digits than its factorization.

365449316409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138917 (or 1138911 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 365449316409 in words is "three hundred sixty-five billion, four hundred forty-nine million, three hundred sixteen thousand, four hundred nine".