194232519425 has 12 divisors (see below), whose sum is σ = 275255227776. Its totient is φ = 133188013200.

The previous prime is 194232519413. The next prime is 194232519431. The reversal of 194232519425 is 524915232491.

It is not a de Polignac number, because 194232519425 - 2¹⁸ = 194232257281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194232519425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554949881 + ... + 554950230.

It is an arithmetic number, because the mean of its divisors is an integer number (22937935648).

Almost surely, 2^194232519425 is an apocalyptic number.

It is an amenable number.

194232519425 is a deficient number, since it is larger than the sum of its proper divisors (81022708351).

194232519425 is a wasteful number, since it uses less digits than its factorization.

194232519425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109900128 (or 1109900123 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The spelling of 194232519425 in words is "one hundred ninety-four billion, two hundred thirty-two million, five hundred nineteen thousand, four hundred twenty-five".