64230467318 has 4 divisors (see below), whose sum is σ = 96345700980. Its totient is φ = 32115233658.

The previous prime is 64230467317. The next prime is 64230467333. The reversal of 64230467318 is 81376403246.

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

It is a super-2 number, since 2×64230467318² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64230467317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16057616828 + ... + 16057616831.

It is an arithmetic number, because the mean of its divisors is an integer number (24086425245).

Almost surely, 2^64230467318 is an apocalyptic number.

64230467318 is a deficient number, since it is larger than the sum of its proper divisors (32115233662).

64230467318 is a wasteful number, since it uses less digits than its factorization.

64230467318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32115233661.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 64230467318 in words is "sixty-four billion, two hundred thirty million, four hundred sixty-seven thousand, three hundred eighteen".