364626368649 has 9 divisors (see below), whose sum is σ = 526685149159. Its totient is φ = 243083038080.

The previous prime is 364626368629. The next prime is 364626368651. The reversal of 364626368649 is 946863626463.

It is a happy number.

The square root of 364626368649 is 603843.

It is a perfect power (a square), and thus also a powerful number.

364626368649 is a `hidden beast` number, since 36 + 462 + 63 + 6 + 86 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 98246514249 + 266379854400 = 313443^2 + 516120^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 364626368649 - 2¹³ = 364626360457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (364626368629) 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 in 8 ways as a sum of consecutive naturals, for example, 1710889 + ... + 1912169.

Almost surely, 2^364626368649 is an apocalyptic number.

364626368649 is the 603843-rd square number.

364626368649 is the 301922-nd centered octagonal number.

It is an amenable number.

364626368649 is a deficient number, since it is larger than the sum of its proper divisors (162058780510).

364626368649 is an frugal number, since it uses more digits than its factorization.

364626368649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402568 (or 201284 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 63.

The spelling of 364626368649 in words is "three hundred sixty-four billion, six hundred twenty-six million, three hundred sixty-eight thousand, six hundred forty-nine".