194046918825 has 12 divisors (see below), whose sum is σ = 320824239248. Its totient is φ = 103491690000.

The previous prime is 194046918799. The next prime is 194046918841. The reversal of 194046918825 is 528819640491.

It is not a de Polignac number, because 194046918825 - 2¹⁶ = 194046853289 is a prime.

It is a super-2 number, since 2×194046918825² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 1293646051 + ... + 1293646200.

Almost surely, 2^194046918825 is an apocalyptic number.

194046918825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194046918825 is a deficient number, since it is larger than the sum of its proper divisors (126777320423).

194046918825 is a wasteful number, since it uses less digits than its factorization.

194046918825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587292264 (or 2587292259 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 194046918825 in words is "one hundred ninety-four billion, forty-six million, nine hundred eighteen thousand, eight hundred twenty-five".