64601128605423 has 8 divisors (see below), whose sum is σ = 86134908059136. Its totient is φ = 43067384111000.

The previous prime is 64601128605383. The next prime is 64601128605443. The reversal of 64601128605423 is 32450682110646.

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 64601128605423 - 2⁹ = 64601128604911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64601128605443) 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, 4071903 + ... + 12074048.

It is an arithmetic number, because the mean of its divisors is an integer number (10766863507392).

Almost surely, 2^{64601128605423} is an apocalyptic number.

64601128605423 is a deficient number, since it is larger than the sum of its proper divisors (21533779453713).

64601128605423 is a wasteful number, since it uses less digits than its factorization.

64601128605423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17479645.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 64601128605423 in words is "sixty-four trillion, six hundred one billion, one hundred twenty-eight million, six hundred five thousand, four hundred twenty-three".