64132336689 has 16 divisors (see below), whose sum is σ = 88207768128. Its totient is φ = 41416080192.

The previous prime is 64132336657. The next prime is 64132336711. The reversal of 64132336689 is 98663323146.

It is a happy number.

It is not a de Polignac number, because 64132336689 - 2⁵ = 64132336657 is a prime.

It is a super-2 number, since 2×64132336689² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64132336589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247422 + ... + 1297815.

It is an arithmetic number, because the mean of its divisors is an integer number (5512985508).

Almost surely, 2^64132336689 is an apocalyptic number.

It is an amenable number.

64132336689 is a deficient number, since it is larger than the sum of its proper divisors (24075431439).

64132336689 is a wasteful number, since it uses less digits than its factorization.

64132336689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545504.

The product of its digits is 3359232, while the sum is 51.

The spelling of 64132336689 in words is "sixty-four billion, one hundred thirty-two million, three hundred thirty-six thousand, six hundred eighty-nine".