64245734395 has 8 divisors (see below), whose sum is σ = 79581813120. Its totient is φ = 49738632960.

The previous prime is 64245734387. The next prime is 64245734401. The reversal of 64245734395 is 59343754246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64245734395 - 2³ = 64245734387 is a prime.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 207244150 + ... + 207244459.

It is an arithmetic number, because the mean of its divisors is an integer number (9947726640).

Almost surely, 2^64245734395 is an apocalyptic number.

64245734395 is a deficient number, since it is larger than the sum of its proper divisors (15336078725).

64245734395 is a wasteful number, since it uses less digits than its factorization.

64245734395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414488645.

The product of its digits is 10886400, while the sum is 52.

The spelling of 64245734395 in words is "sixty-four billion, two hundred forty-five million, seven hundred thirty-four thousand, three hundred ninety-five".