194805330023825 has 24 divisors (see below), whose sum is σ = 256393288897560. Its totient is φ = 146318330880000.

The previous prime is 194805330023807. The next prime is 194805330023833. The reversal of 194805330023825 is 528320033508491.

194805330023825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 13957268²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 16769360791681 + 178035969232144 = 4095041^2 + 13343012^2 .

It is not a de Polignac number, because 194805330023825 - 2⁶ = 194805330023761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 560175176 + ... + 560522825.

It is an arithmetic number, because the mean of its divisors is an integer number (10683053704065).

Almost surely, 2^{194805330023825} is an apocalyptic number.

It is an amenable number.

194805330023825 is a deficient number, since it is larger than the sum of its proper divisors (61587958873735).

194805330023825 is a wasteful number, since it uses less digits than its factorization.

194805330023825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120698437 (or 1120698432 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 194805330023825 in words is "one hundred ninety-four trillion, eight hundred five billion, three hundred thirty million, twenty-three thousand, eight hundred twenty-five".