194065911129964 has 12 divisors (see below), whose sum is σ = 342620790004584. Its totient is φ = 96174256842944.

The previous prime is 194065911129949. The next prime is 194065911130099. The reversal of 194065911129964 is 469921119560491.

It is a self number, because there is not a number n which added to its sum of digits gives 194065911129964.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214674680002 + ... + 214674680905.

It is an arithmetic number, because the mean of its divisors is an integer number (28551732500382).

Almost surely, 2^{194065911129964} is an apocalyptic number.

It is an amenable number.

194065911129964 is a deficient number, since it is larger than the sum of its proper divisors (148554878874620).

194065911129964 is a wasteful number, since it uses less digits than its factorization.

194065911129964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429349361024 (or 429349361022 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 67.

The spelling of 194065911129964 in words is "one hundred ninety-four trillion, sixty-five billion, nine hundred eleven million, one hundred twenty-nine thousand, nine hundred sixty-four".