64300063 has 4 divisors (see below), whose sum is σ = 64324728. Its totient is φ = 64275400.

The previous prime is 64300057. The next prime is 64300099. The reversal of 64300063 is 36000346.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64300063 - 2⁵ = 64300031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64300363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7888 + ... + 13813.

It is an arithmetic number, because the mean of its divisors is an integer number (16081182).

Almost surely, 2^64300063 is an apocalyptic number.

64300063 is a deficient number, since it is larger than the sum of its proper divisors (24665).

64300063 is a wasteful number, since it uses less digits than its factorization.

64300063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24664.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 64300063 is about 8018.7320069946. The cubic root of 64300063 is about 400.6241568141.

The spelling of 64300063 in words is "sixty-four million, three hundred thousand, sixty-three".