196492178471 has 4 divisors (see below), whose sum is σ = 196532015592. Its totient is φ = 196452341352.

The previous prime is 196492178453. The next prime is 196492178479. The reversal of 196492178471 is 174871294691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174871294691 = 59 ⋅2963920249.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196492178471 is a prime.

It is a super-3 number, since 3×196492178471³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196492178471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196492178479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19911161 + ... + 19921026.

It is an arithmetic number, because the mean of its divisors is an integer number (49133003898).

Almost surely, 2^196492178471 is an apocalyptic number.

196492178471 is a deficient number, since it is larger than the sum of its proper divisors (39837121).

196492178471 is an equidigital number, since it uses as much as digits as its factorization.

196492178471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39837120.

The product of its digits is 6096384, while the sum is 59.

The spelling of 196492178471 in words is "one hundred ninety-six billion, four hundred ninety-two million, one hundred seventy-eight thousand, four hundred seventy-one".