63364509 has 12 divisors (see below), whose sum is σ = 98567196. Its totient is φ = 38993472.

The previous prime is 63364501. The next prime is 63364519. The reversal of 63364509 is 90546336.

63364509 is a `hidden beast` number, since 6 + 3 + 3 + 645 + 0 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24651225 + 38713284 = 4965^2 + 6222^2 .

It is not a de Polignac number, because 63364509 - 2³ = 63364501 is a prime.

It is a super-2 number, since 2×63364509² = 8030122001622162, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63364501) 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 11 ways as a sum of consecutive naturals, for example, 270672 + ... + 270905.

It is an arithmetic number, because the mean of its divisors is an integer number (8213933).

Almost surely, 2^63364509 is an apocalyptic number.

It is an amenable number.

63364509 is a deficient number, since it is larger than the sum of its proper divisors (35202687).

63364509 is a wasteful number, since it uses less digits than its factorization.

63364509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541596 (or 541593 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 63364509 is about 7960.1827240334. The cubic root of 63364509 is about 398.6716540423.

The spelling of 63364509 in words is "sixty-three million, three hundred sixty-four thousand, five hundred nine".