196727243956 has 6 divisors (see below), whose sum is σ = 344272676930. Its totient is φ = 98363621976.

The previous prime is 196727243939. The next prime is 196727244011. The reversal of 196727243956 is 659342727691.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 121340755600 + 75386488356 = 348340^2 + 274566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 196727243894 and 196727243903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24590905491 + ... + 24590905498.

Almost surely, 2^196727243956 is an apocalyptic number.

It is an amenable number.

196727243956 is a deficient number, since it is larger than the sum of its proper divisors (147545432974).

196727243956 is a wasteful number, since it uses less digits than its factorization.

196727243956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49181810993 (or 49181810991 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 61.

The spelling of 196727243956 in words is "one hundred ninety-six billion, seven hundred twenty-seven million, two hundred forty-three thousand, nine hundred fifty-six".