64573376420326 has 8 divisors (see below), whose sum is σ = 102557715491160. Its totient is φ = 30387471256608.

The previous prime is 64573376420317. The next prime is 64573376420327. The reversal of 64573376420326 is 62302467337546.

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

It is a super-2 number, since 2×64573376420326² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64573376420327) 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, 949608476736 + ... + 949608476803.

It is an arithmetic number, because the mean of its divisors is an integer number (12819714436395).

Almost surely, 2^{64573376420326} is an apocalyptic number.

64573376420326 is a deficient number, since it is larger than the sum of its proper divisors (37984339070834).

64573376420326 is a wasteful number, since it uses less digits than its factorization.

64573376420326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899216953558.

The product of its (nonzero) digits is 91445760, while the sum is 58.

The spelling of 64573376420326 in words is "sixty-four trillion, five hundred seventy-three billion, three hundred seventy-six million, four hundred twenty thousand, three hundred twenty-six".