64228069637 has 8 divisors (see below), whose sum is σ = 64518117120. Its totient is φ = 63938412720.

The previous prime is 64228069589. The next prime is 64228069651. The reversal of 64228069637 is 73696082246.

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 64228069637 - 2³⁰ = 63154327813 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 (64228069657) 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, 234539 + ... + 428327.

It is an arithmetic number, because the mean of its divisors is an integer number (8064764640).

Almost surely, 2^64228069637 is an apocalyptic number.

It is an amenable number.

64228069637 is a deficient number, since it is larger than the sum of its proper divisors (290047483).

64228069637 is a wasteful number, since it uses less digits than its factorization.

64228069637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195283.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 64228069637 in words is "sixty-four billion, two hundred twenty-eight million, sixty-nine thousand, six hundred thirty-seven".