64284048245 has 4 divisors (see below), whose sum is σ = 77140857900. Its totient is φ = 51427238592.

The previous prime is 64284048223. The next prime is 64284048293. The reversal of 64284048245 is 54284048246.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8795063524 + 55488984721 = 93782^2 + 235561^2 .

It is a cyclic number.

It is not a de Polignac number, because 64284048245 - 2²² = 64279853941 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64284048245.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6428404820 + ... + 6428404829.

It is an arithmetic number, because the mean of its divisors is an integer number (19285214475).

Almost surely, 2^64284048245 is an apocalyptic number.

It is an amenable number.

64284048245 is a deficient number, since it is larger than the sum of its proper divisors (12856809655).

64284048245 is a wasteful number, since it uses less digits than its factorization.

64284048245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12856809654.

The product of its (nonzero) digits is 1966080, while the sum is 47.

Subtracting from 64284048245 its reverse (54284048246), we obtain a palindrome (9999999999).

The spelling of 64284048245 in words is "sixty-four billion, two hundred eighty-four million, forty-eight thousand, two hundred forty-five".