64209063 has 16 divisors (see below), whose sum is σ = 87236352. Its totient is φ = 42000000.

The previous prime is 64209007. The next prime is 64209073. The reversal of 64209063 is 36090246.

It is not a de Polignac number, because 64209063 - 2¹² = 64204967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64209063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64209073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52863 + ... + 54063.

It is an arithmetic number, because the mean of its divisors is an integer number (5452272).

Almost surely, 2^64209063 is an apocalyptic number.

64209063 is a deficient number, since it is larger than the sum of its proper divisors (23027289).

64209063 is a wasteful number, since it uses less digits than its factorization.

64209063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 64209063 is about 8013.0557841563. The cubic root of 64209063 is about 400.4350745205.

The spelling of 64209063 in words is "sixty-four million, two hundred nine thousand, sixty-three".