64819363 has 4 divisors (see below), whose sum is σ = 74079280. Its totient is φ = 55559448.

The previous prime is 64819343. The next prime is 64819373. The reversal of 64819363 is 36391846.

64819363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64819363 - 2⁵ = 64819331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64819343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4629948 + ... + 4629961.

It is an arithmetic number, because the mean of its divisors is an integer number (18519820).

Almost surely, 2^64819363 is an apocalyptic number.

64819363 is a deficient number, since it is larger than the sum of its proper divisors (9259917).

64819363 is an equidigital number, since it uses as much as digits as its factorization.

64819363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259916.

The product of its digits is 93312, while the sum is 40.

The square root of 64819363 is about 8051.0473231748. The cubic root of 64819363 is about 401.6997729485.

The spelling of 64819363 in words is "sixty-four million, eight hundred nineteen thousand, three hundred sixty-three".