19196853146 has 8 divisors (see below), whose sum is σ = 28863678324. Its totient is φ = 9575627040.

The previous prime is 19196853133. The next prime is 19196853157. The reversal of 19196853146 is 64135869191.

It can be written as a sum of positive squares in 2 ways, for example, as 18697554121 + 499299025 = 136739^2 + 22345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11398715 + ... + 11400398.

Almost surely, 2^19196853146 is an apocalyptic number.

19196853146 is a deficient number, since it is larger than the sum of its proper divisors (9666825178).

19196853146 is a wasteful number, since it uses less digits than its factorization.

19196853146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22799536.

The product of its digits is 1399680, while the sum is 53.

The spelling of 19196853146 in words is "nineteen billion, one hundred ninety-six million, eight hundred fifty-three thousand, one hundred forty-six".