39198456196 has 9 divisors (see below), whose sum is σ = 68597991301. Its totient is φ = 19599030112.

The previous prime is 39198456191. The next prime is 39198456221. The reversal of 39198456196 is 69165489193.

The square root of 39198456196 is 197986.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 37593332100 + 1605124096 = 193890^2 + 40064^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39198456191) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 346476 + ... + 445468.

Almost surely, 2^39198456196 is an apocalyptic number.

39198456196 is the 197986-th square number.

It is an amenable number.

39198456196 is a deficient number, since it is larger than the sum of its proper divisors (29399535105).

39198456196 is an frugal number, since it uses more digits than its factorization.

39198456196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197990 (or 98995 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 61.

The spelling of 39198456196 in words is "thirty-nine billion, one hundred ninety-eight million, four hundred fifty-six thousand, one hundred ninety-six".