195893821936 has 40 divisors (see below), whose sum is σ = 390545253504. Its totient is φ = 95129379840.

The previous prime is 195893821897. The next prime is 195893821979. The reversal of 195893821936 is 639128398591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523261 + ... + 815836.

Almost surely, 2^195893821936 is an apocalyptic number.

195893821936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

195893821936 is a deficient number, since it is larger than the sum of its proper divisors (194651431568).

195893821936 is a wasteful number, since it uses less digits than its factorization.

195893821936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339369 (or 1339363 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 64.

The spelling of 195893821936 in words is "one hundred ninety-five billion, eight hundred ninety-three million, eight hundred twenty-one thousand, nine hundred thirty-six".