64203250205 has 8 divisors (see below), whose sum is σ = 77972140512. Its totient is φ = 50743773328.

The previous prime is 64203250093. The next prime is 64203250213. The reversal of 64203250205 is 50205230246.

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

It is a cyclic number.

It is not a de Polignac number, because 64203250205 - 2³² = 59908282909 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 77352899 + ... + 77353728.

It is an arithmetic number, because the mean of its divisors is an integer number (9746517564).

Almost surely, 2^64203250205 is an apocalyptic number.

It is an amenable number.

64203250205 is a deficient number, since it is larger than the sum of its proper divisors (13768890307).

64203250205 is a wasteful number, since it uses less digits than its factorization.

64203250205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154706715.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 64203250205 in words is "sixty-four billion, two hundred three million, two hundred fifty thousand, two hundred five".