64250009845 has 8 divisors (see below), whose sum is σ = 88114299264. Its totient is φ = 44057149584.

The previous prime is 64250009843. The next prime is 64250009869. The reversal of 64250009845 is 54890005246.

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

It is not a de Polignac number, because 64250009845 - 2¹ = 64250009843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64250009843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917857249 + ... + 917857318.

It is an arithmetic number, because the mean of its divisors is an integer number (11014287408).

Almost surely, 2^64250009845 is an apocalyptic number.

It is an amenable number.

64250009845 is a deficient number, since it is larger than the sum of its proper divisors (23864289419).

64250009845 is a wasteful number, since it uses less digits than its factorization.

64250009845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835714579.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 64250009845 in words is "sixty-four billion, two hundred fifty million, nine thousand, eight hundred forty-five".