196901906919 has 8 divisors (see below), whose sum is σ = 262689502320. Its totient is φ = 131191124736.

The previous prime is 196901906899. The next prime is 196901906947. The reversal of 196901906919 is 919609109691.

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

It is not a de Polignac number, because 196901906919 - 2⁹ = 196901906407 is a prime.

It is a super-2 number, since 2×196901906919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196901902919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19197322 + ... + 19207575.

It is an arithmetic number, because the mean of its divisors is an integer number (32836187790).

Almost surely, 2^196901906919 is an apocalyptic number.

196901906919 is a deficient number, since it is larger than the sum of its proper divisors (65787595401).

196901906919 is a wasteful number, since it uses less digits than its factorization.

196901906919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38406609.

The product of its (nonzero) digits is 2125764, while the sum is 60.

The spelling of 196901906919 in words is "one hundred ninety-six billion, nine hundred one million, nine hundred six thousand, nine hundred nineteen".