64314633 has 4 divisors (see below), whose sum is σ = 85752848. Its totient is φ = 42876420.

The previous prime is 64314631. The next prime is 64314641. The reversal of 64314633 is 33641346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 64314633 - 2¹ = 64314631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64314633.

It is not an unprimeable number, because it can be changed into a prime (64314631) 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, 10719103 + ... + 10719108.

It is an arithmetic number, because the mean of its divisors is an integer number (21438212).

Almost surely, 2^64314633 is an apocalyptic number.

It is an amenable number.

64314633 is a deficient number, since it is larger than the sum of its proper divisors (21438215).

64314633 is a wasteful number, since it uses less digits than its factorization.

64314633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21438214.

The product of its digits is 15552, while the sum is 30.

The square root of 64314633 is about 8019.6404532872. The cubic root of 64314633 is about 400.6544141880.

Adding to 64314633 its reverse (33641346), we get a palindrome (97955979).

The spelling of 64314633 in words is "sixty-four million, three hundred fourteen thousand, six hundred thirty-three".