194912300387 has 16 divisors (see below), whose sum is σ = 228063900672. Its totient is φ = 163105180800.

The previous prime is 194912300381. The next prime is 194912300437. The reversal of 194912300387 is 783003219491.

It is a cyclic number.

It is not a de Polignac number, because 194912300387 - 2⁴ = 194912300371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194912300381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606773 + ... + 870630.

It is an arithmetic number, because the mean of its divisors is an integer number (14253993792).

Almost surely, 2^194912300387 is an apocalyptic number.

194912300387 is a deficient number, since it is larger than the sum of its proper divisors (33151600285).

194912300387 is a wasteful number, since it uses less digits than its factorization.

194912300387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477858.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 194912300387 in words is "one hundred ninety-four billion, nine hundred twelve million, three hundred thousand, three hundred eighty-seven".