64421652326 has 8 divisors (see below), whose sum is σ = 96937313760. Its totient is φ = 32109214408.

The previous prime is 64421652271. The next prime is 64421652329. The reversal of 64421652326 is 62325612446.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64421652329) 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, 50805086 + ... + 50806353.

It is an arithmetic number, because the mean of its divisors is an integer number (12117164220).

Almost surely, 2^64421652326 is an apocalyptic number.

64421652326 is a deficient number, since it is larger than the sum of its proper divisors (32515661434).

64421652326 is a wasteful number, since it uses less digits than its factorization.

64421652326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101611758.

The product of its digits is 414720, while the sum is 41.

The spelling of 64421652326 in words is "sixty-four billion, four hundred twenty-one million, six hundred fifty-two thousand, three hundred twenty-six".