64536363 has 12 divisors (see below), whose sum is σ = 93308280. Its totient is φ = 42983136.

The previous prime is 64536359. The next prime is 64536371. The reversal of 64536363 is 36363546.

It is a happy number.

64536363 is a `hidden beast` number, since 64 + 536 + 3 + 63 = 666.

It is not a de Polignac number, because 64536363 - 2² = 64536359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64536313) 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, 8820 + ... + 14382.

It is an arithmetic number, because the mean of its divisors is an integer number (7775690).

Almost surely, 2^64536363 is an apocalyptic number.

64536363 is a deficient number, since it is larger than the sum of its proper divisors (28771917).

64536363 is a wasteful number, since it uses less digits than its factorization.

64536363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6858 (or 6855 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

The square root of 64536363 is about 8033.4527446173. The cubic root of 64536363 is about 401.1143157849.

The spelling of 64536363 in words is "sixty-four million, five hundred thirty-six thousand, three hundred sixty-three".