64470968193192 has 256 divisors, whose sum is σ = 188353017619200. Its totient is φ = 18353159193600.

The previous prime is 64470968193179. The next prime is 64470968193197. The reversal of 64470968193192 is 29139186907446.

It is not an unprimeable number, because it can be changed into a prime (64470968193197) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33335442 + ... + 35216382.

It is an arithmetic number, because the mean of its divisors is an integer number (735753975075).

Almost surely, 2^{64470968193192} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64470968193192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94176508809600).

64470968193192 is an abundant number, since it is smaller than the sum of its proper divisors (123882049426008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64470968193192 is a wasteful number, since it uses less digits than its factorization.

64470968193192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881049 (or 1881023 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 69.

The spelling of 64470968193192 in words is "sixty-four trillion, four hundred seventy billion, nine hundred sixty-eight million, one hundred ninety-three thousand, one hundred ninety-two".