194903375457 has 32 divisors (see below), whose sum is σ = 298624665600. Its totient is φ = 110762818560.

The previous prime is 194903375441. The next prime is 194903375503. The reversal of 194903375457 is 754573309491.

194903375457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 194903375457 - 2⁴ = 194903375441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194903375397 and 194903375406.

It is not an unprimeable number, because it can be changed into a prime (194903335457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20661532 + ... + 20670962.

It is an arithmetic number, because the mean of its divisors is an integer number (9332020800).

Almost surely, 2^194903375457 is an apocalyptic number.

It is an amenable number.

194903375457 is a deficient number, since it is larger than the sum of its proper divisors (103721290143).

194903375457 is a wasteful number, since it uses less digits than its factorization.

194903375457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14733.

The product of its (nonzero) digits is 14288400, while the sum is 57.

The spelling of 194903375457 in words is "one hundred ninety-four billion, nine hundred three million, three hundred seventy-five thousand, four hundred fifty-seven".