194663739274 has 16 divisors (see below), whose sum is σ = 304709595840. Its totient is φ = 93094388640.

The previous prime is 194663739253. The next prime is 194663739293. The reversal of 194663739274 is 472937366491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692494 + ... + 932134.

It is an arithmetic number, because the mean of its divisors is an integer number (19044349740).

Almost surely, 2^194663739274 is an apocalyptic number.

194663739274 is a deficient number, since it is larger than the sum of its proper divisors (110045856566).

194663739274 is a wasteful number, since it uses less digits than its factorization.

194663739274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257325.

The product of its digits is 41150592, while the sum is 61.

The spelling of 194663739274 in words is "one hundred ninety-four billion, six hundred sixty-three million, seven hundred thirty-nine thousand, two hundred seventy-four".