196589463438 has 8 divisors (see below), whose sum is σ = 393178926888. Its totient is φ = 65529821144.

The previous prime is 196589463409. The next prime is 196589463463. The reversal of 196589463438 is 834364985691.

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

196589463438 is an admirable number.

It is a congruent number.

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, 16382455281 + ... + 16382455292.

It is an arithmetic number, because the mean of its divisors is an integer number (49147365861).

Almost surely, 2^196589463438 is an apocalyptic number.

196589463438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196589463438 is a wasteful number, since it uses less digits than its factorization.

196589463438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32764910578.

The product of its digits is 134369280, while the sum is 66.

The spelling of 196589463438 in words is "one hundred ninety-six billion, five hundred eighty-nine million, four hundred sixty-three thousand, four hundred thirty-eight".