64204226683 has 4 divisors (see below), whose sum is σ = 64613170960. Its totient is φ = 63795282408.

The previous prime is 64204226657. The next prime is 64204226687. The reversal of 64204226683 is 38662240246.

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

It is a cyclic number.

It is not a de Polignac number, because 64204226683 - 2¹⁷ = 64204095611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64204226687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204471903 + ... + 204472216.

It is an arithmetic number, because the mean of its divisors is an integer number (16153292740).

Almost surely, 2^64204226683 is an apocalyptic number.

64204226683 is a deficient number, since it is larger than the sum of its proper divisors (408944277).

64204226683 is a wasteful number, since it uses less digits than its factorization.

64204226683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408944276.

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 64204226683 in words is "sixty-four billion, two hundred four million, two hundred twenty-six thousand, six hundred eighty-three".